-
Difference between revisions of "Standard Library Functions"
From HI-TECH C for CP/M Fan WIKI(EN)
(Created page with "== Functions ==") |
(→STRING HANDLING) |
||
(3 intermediate revisions by the same user not shown) | |||
Line 1: | Line 1: | ||
− | == | + | |
+ | == STANDARD I/O == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_FOPEN|fopen(name, mode)]] :Open file for I/O | ||
+ | ;[[Functions_HI-TECH_C_FREOPEN|freopen(name, mode, stream)]] :Re-open existing stream | ||
+ | ;[[Functions_HI-TECH_C_FDOPEN|fdopen(fd, mode)]] :Associate a stream with a file descriptor[WikiEditor:This item is not described on original document] | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_FCLOSE|fclose(stream)]] :Close open file | ||
+ | ;[[Functions_HI-TECH_C_FFLUSH|fflush(stream)]] :Flush buffered data | ||
+ | ;[[Functions_HI-TECH_C_GETC|getc(stream)]] :Read byte from stream | ||
+ | ;[[Functions_HI-TECH_C_FGETC|fgetc(stream)]] :Same as getc | ||
+ | ;[[Functions_HI-TECH_C_UNGETC|ungetc(c, stream)]] :Push char back onto stream | ||
+ | ;[[Functions_HI-TECH_C_PUTC|putc(c, stream)]] :Write byte to stream | ||
+ | ;[[Functions_HI-TECH_C_FPUTC|fputc(c, stream)]] :Same as putc() | ||
+ | ;[[Functions_HI-TECH_C_GETCHAR|getchar()]] :Read byte from standard input | ||
+ | ;[[Functions_HI-TECH_C_PUTCHAR|putchar(c)]] :Write byte to standard output | ||
+ | ;[[Functions_HI-TECH_C_GETW|getw(stream)]] :Read word from stream | ||
+ | ;[[Functions_HI-TECH_C_PUTW|putw(w, stream)]] :Write word to stream | ||
+ | ;[[Functions_HI-TECH_C_GETS|gets(s)]] :Read line from standard input | ||
+ | ;[[Functions_HI-TECH_C_FGETS|fgets(s, n, stream)]] :Read string from stream | ||
+ | ;[[Functions_HI-TECH_C_PUTS|puts(s)]] :Write string to standard output | ||
+ | ;[[Functions_HI-TECH_C_FPUTS|fputs(s, stream)]] :Write string to stream | ||
+ | ;[[Functions_HI-TECH_C_FREAD|fread(buf, size, cnt, stream)]] :Binary read from stream | ||
+ | ;[[Functions_HI-TECH_C_FWRITE|fwrite(buf, size, cnt, stream)]] :Binary write to stream | ||
+ | ;[[Functions_HI-TECH_C_FSEEK|fseek(stream, offs, wh)]] :Random access positioning | ||
+ | ;[[Functions_HI-TECH_C_FTELL|ftell(stream)]] :Current file read/write position | ||
+ | ;[[Functions_HI-TECH_C_REWIND|rewind(stream)]] :Reposition file pointer to start | ||
+ | ;[[Functions_HI-TECH_C_SETVBUF|setvbuf(stream, buf, mode, size)]] :Enable/disable buffering of stream | ||
+ | ;[[Functions_HI-TECH_C_FPRINTF|fprintf(stream, fmt, args)]] :Formatted output on stream | ||
+ | ;[[Functions_HI-TECH_C_PRINTF|printf(fmt, args)]] :Formatted standard output | ||
+ | ;[[Functions_HI-TECH_C_SPRINTF|sprintf(buf, fmt, args)]] :Formatted output to a string | ||
+ | ;[[Functions_HI-TECH_C_VFPRINTF|vfprintf(stream, fmt, va_ptr)]] :Formatted output on stream | ||
+ | ;[[Functions_HI-TECH_C_VPRINTF|vprintf(fmt, va_ptr)]] :Formatted standard output | ||
+ | ;[[Functions_HI-TECH_C_VSPRINTF|vsprintf(buf, fmt, va_ptr)]] :Formatted output to a string | ||
+ | ;[[Functions_HI-TECH_C_FSCANF|fscanf(stream, fmt, args)]] :Formatted input from stream | ||
+ | ;[[Functions_HI-TECH_C_SCANF|scanf(fmt, args)]] :Formatted standard input | ||
+ | ;[[Functions_HI-TECH_C_SSCANF|sscanf(buf, fmt, va_ptr)]] :Formatted input from a string | ||
+ | ;[[Functions_HI-TECH_C_VFSCANF|vfscanf(stream, fmt, va_ptr)]] :Formatted input from stream | ||
+ | ;[[Functions_HI-TECH_C_VSCANF|vscanf(fmt, args)]] :Formatted standard input | ||
+ | ;[[Functions_HI-TECH_C_VSSCANF|vsscanf(buf, fmt, va_ptr)] :Formatted input from a string | ||
+ | ;[[Functions_HI-TECH_C_FEOF|feof(stream)]] :True if stream at EOF | ||
+ | ;[[Functions_HI-TECH_C_FERROR|ferror(stream)]] :True if error on stream | ||
+ | ;[[Functions_HI-TECH_C_CLRERR|clrerr(stream)]] :Reset error status on stream | ||
+ | ;[[Functions_HI-TECH_C_FILENO|fileno(stream)]] :Return fd from stream | ||
+ | ;[[Functions_HI-TECH_C_REMOVE|remove(name)]] :Remove (delete) file | ||
+ | |||
+ | == STRING HANDLING == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_ATOI|atoi(s)]] :Convert ASCII decimal to integer | ||
+ | ;[[Functions_HI-TECH_C_ATOL|atol(s)]] :Convert ASCII decimal to long integer | ||
+ | ;[[Functions_HI-TECH_C_ATOF|atof(s)]] :Convert ASCII decimal to float | ||
+ | ;[[Functions_HI-TECH_C_XTOI|xtoi(s)]] :Convert ASCII hexadecimal to integer[WikiEditor:This item is not described on original document] | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_MEMCHR|memchr(s, c, n)]] :Find char in memory block | ||
+ | ;[[Functions_HI-TECH_C_MEMCMP|memcmp(s1, s2, n)]] :Compare n bytes of memory | ||
+ | ;[[Functions_HI-TECH_C_MEMCPY|memcpy(s1, s2, n)]] :Copy n bytes from s2 to s1 | ||
+ | ;[[Functions_HI-TECH_C_MEMMOVE|memmove(s1, s2, n)]] :Copy n bytes from s2 to s1 | ||
+ | ;[[Functions_HI-TECH_C_MEMSET|memset(s, c, n)]] :Set n bytes at s to c | ||
+ | ;[[Functions_HI-TECH_C_STRCAT|strcat(s1, s2)]] :Append string 2 to string 1 | ||
+ | ;[[Functions_HI-TECH_C_STRNCAT|strncat(s1, s2, n)]] :Append at most n chars to string 1 | ||
+ | ;[[Functions_HI-TECH_C_STRCMP|strcmp(s1, s2)]] :Compare strings | ||
+ | ;[[Functions_HI-TECH_C_STRNCMP|strncmp(s1, s2, n)]] :Compare n bytes of strings | ||
+ | ;[[Functions_HI-TECH_C_STRCPY|strcpy(s1, s2)]] :Copy s2 to s1 | ||
+ | ;[[Functions_HI-TECH_C_STRNCPY|strncpy(s1, s2, n)]] :Copy at most n bytes of s2 | ||
+ | ;[[Functions_HI-TECH_C_STRERROR|strerror(errnum)]] :Map errnum to an error message string[WikiEditor:This item is not described on original document] | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_STRLEN|strlen(s)]] :Length of string | ||
+ | ;[[Functions_HI-TECH_C_STRCHR|strchr(s, c)]] :Find char in string | ||
+ | ;[[Functions_HI-TECH_C_STRRCHR|strrchr(s, c)]] :Find rightmost char in string | ||
+ | ;[[Functions_HI-TECH_C_STRSPN|strspn(s1, s2)]] :Length of s1 composed of chars from s2[WikiEditor:This item is not described on original document] | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_STRCSPN|strcspn(s1, s2)]] :Length of s2 composed of chars not from s2[WikiEditor:This item is not described on original document] | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_STRSTR|strstr(s1, s2)]] :Locate the first occurence of s2 in s1[WikiEditor:This item is not described on original document] | ||
+ | |||
+ | == LOW LEVEL I/O == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_OPEN|open(name, mode)]] :Open a file | ||
+ | ;[[Functions_HI-TECH_C_CLOSE|close(fd)]] :Close a file | ||
+ | ;[[Functions_HI-TECH_C_CREAT|creat(name)]] :Create a file | ||
+ | ;[[Functions_HI-TECH_C_DUP|dup(fd)]] :Duplicate file descriptor | ||
+ | ;[[Functions_HI-TECH_C_LSEEK|lseek(fd, offs, wh)]] :Random access positioning | ||
+ | ;[[Functions_HI-TECH_C_READ|read(fd, buf, cnt)]] :Read from file | ||
+ | ;[[Functions_HI-TECH_C_RENAME|rename(name1, name2)]] :Rename file | ||
+ | ;[[Functions_HI-TECH_C_UNLINK|unlink(name)]] :Remove file from directory | ||
+ | ;[[Functions_HI-TECH_C_WRITE|write(fd, buf, cnt)]] :Write to file | ||
+ | ;[[Functions_HI-TECH_C_ISATTY|isatty(fd)]] :True if fd refers to tty-like device | ||
+ | ;[[Functions_HI-TECH_C_STAT|stat(name, buf)]] :Get information about a file | ||
+ | ;[[Functions_HI-TECH_C_CHMOD|chmod(name, mode)]] :Set file attributes | ||
+ | |||
+ | == CHARACTER TESTING == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_ISALPHA|isalpha(c)]] :True if c is a letter | ||
+ | ;[[Functions_HI-TECH_C_ISUPPER|isupper(c)]] :Upper case letter | ||
+ | ;[[Functions_HI-TECH_C_ISLOWER|islower(c)]] :Lower case letter | ||
+ | ;[[Functions_HI-TECH_C_ISDIGIT|isdigit(c)]] :Digit | ||
+ | ;[[Functions_HI-TECH_C_ISALNUM|isalnum(c)]] :Alphnumeric character | ||
+ | ;[[Functions_HI-TECH_C_ISSPACE|isspace(c)]] :Space, tab, newline, return or formfeed | ||
+ | ;[[Functions_HI-TECH_C_ISPUNCT|ispunct(c)]] :Punctuation character | ||
+ | ;[[Functions_HI-TECH_C_ISPRINT|isprint(c)]] :Printable character | ||
+ | ;[[Functions_HI-TECH_C_ISGRAPH|isgraph(c)]] :Printable non-space character | ||
+ | ;[[Functions_HI-TECH_C_ISCNTRL|iscntrl(c)]] :Control character | ||
+ | ;[[Functions_HI-TECH_C_ISASCII|isascii(c)]] :Ascii character (0-127) | ||
+ | |||
+ | == FLOATING POINT == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_COS|cos(f)]] :Cosine function | ||
+ | ;[[Functions_HI-TECH_C_SIN|sin(f)]] :Sine function | ||
+ | ;[[Functions_HI-TECH_C_TAN|tan(f)]] :Tangent function | ||
+ | ;[[Functions_HI-TECH_C_ACOS|acos(f)]] :Arc cosine function | ||
+ | ;[[Functions_HI-TECH_C_ASIN|asin(f)]] :Arc sine function | ||
+ | ;[[Functions_HI-TECH_C_ATAN|atan(f)]] :Arc tangent function | ||
+ | ;[[Functions_HI-TECH_C_EXP|exp(f)]] :Exponential of f | ||
+ | ;[[Functions_HI-TECH_C_LOG|log(f)]] :Natural log of f | ||
+ | ;[[Functions_HI-TECH_C_LOG10|log10(f)]] :Base 10 log of f | ||
+ | ;[[Functions_HI-TECH_C_POW|pow(x,y)]] :X to the y'th power | ||
+ | ;[[Functions_HI-TECH_C_SQRT|sqrt(f)]] :Square root | ||
+ | ;[[Functions_HI-TECH_C_FABS|fabs(f)]] :Floating absolute value | ||
+ | ;[[Functions_HI-TECH_C_CEIL|ceil(f)]] :Smallest integral value >= f | ||
+ | ;[[Functions_HI-TECH_C_FLOOR|floor(f)]] :Largest integral value <= f | ||
+ | ;[[Functions_HI-TECH_C_SINH|sinh(f)]] :Hyperbolic sine | ||
+ | ;[[Functions_HI-TECH_C_COSH|cosh(f)]] :Hyperbolic cosine | ||
+ | ;[[Functions_HI-TECH_C_TANH|tanh(f)]] :Hyperbolic tangent | ||
+ | ;[[Functions_HI-TECH_C_FREXP|frexp(y, p)]] :Split into mantissa and exponent | ||
+ | ;[[Functions_HI-TECH_C_LDEXP|ldexp(y, i)]] :Load new exponent | ||
+ | |||
+ | == CONSOLE I/O == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_GETCH|getch()]] :Get single character | ||
+ | ;[[Functions_HI-TECH_C_GETCHE|getche()]] :Get single character with echo | ||
+ | ;[[Functions_HI-TECH_C_PUTCH|putch(c)]] :Put single character | ||
+ | ;[[Functions_HI-TECH_C_UNGETCH|ungetch(c)]] :Push character back | ||
+ | ;[[Functions_HI-TECH_C_KBHIT|kbhit()]] :Test for key pressed | ||
+ | ;[[Functions_HI-TECH_C_CGETS|cgets(s)]] :Get line from console | ||
+ | ;[[Functions_HI-TECH_C_CPUTS|cputs(s)]] :Put string to console | ||
+ | |||
+ | == DATE AND TIME FUNCTIONS == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_TIME|time(p)]] :Get current date/time | ||
+ | ;[[Functions_HI-TECH_C_GMTIME|gmtime(p)]] :Get broken down Universal time | ||
+ | ;[[Functions_HI-TECH_C_LOCALTIME|localtime(p)]] :Get broken down local time | ||
+ | ;[[Functions_HI-TECH_C_ASCTIME|asctime(t)]] :Convert broken down time to ascii | ||
+ | ;[[Functions_HI-TECH_C_CTIME|ctime(p)]] :Convert time to ascii | ||
+ | |||
+ | == MISCELLANEOUS == | ||
+ | |||
+ | ;[[Functions_HI-TECH_C_EXECL|execl(name, args)]] :Execute another program | ||
+ | ;[[Functions_HI-TECH_C_EXECV|execv(name, argp)]] :Execute another program | ||
+ | ;[[Functions_HI-TECH_C_SPAWNL|spawnl(name, arg, ...)]] :Execute a subprogram | ||
+ | ;[[Functions_HI-TECH_C_SPAWNV|spawnv(name, argp)]] :Execute a subprogram | ||
+ | ;[[Functions_HI-TECH_C_SYSTEM|system(s)]] :Execute system command | ||
+ | ;[[Functions_HI-TECH_C_ATEXIT|atexit(func)]] :Install func to be executed on termination | ||
+ | ;[[Functions_HI-TECH_C_EXIT|exit(status)]] :Terminate execution | ||
+ | ;<nowiki>[[Functions_HI-TECH_C__EXIT|_exit(status)]]</nowiki> :Terminate execution immediately | ||
+ | ;[[Functions_HI-TECH_C_GETUID|getuid()]] :Get user id (CP/M) | ||
+ | ;[[Functions_HI-TECH_C_SETUID|setuid(uid)]] :Set user id (CP/M) | ||
+ | ;[[Functions_HI-TECH_C_CHDIR|chdir(s)]] :Change directory (MS-DOS) | ||
+ | ;[[Functions_HI-TECH_C_MKDIR|mkdir(s)]] :Create directory (MS-DOS) | ||
+ | ;[[Functions_HI-TECH_C_RMDIR|rmdir(s)]] :Remove directory (MS-DOS) | ||
+ | ;[[Functions_HI-TECH_C_GETCWD|getcwd(drive)]] :Get current working directory (MS-DOS) | ||
+ | ;[[Functions_HI-TECH_C_SIGNAL|signal(sig, func)]] :Set trap for interrupt condition | ||
+ | ;[[Functions_HI-TECH_C_BRK|brk(addr)]] :Set memory allocation | ||
+ | ;[[Functions_HI-TECH_C_SBRK|sbrk(incr)]] :Adjust memory allocation | ||
+ | ;[[Functions_HI-TECH_C_MALLOC|malloc(cnt)]] :Dynamic memory allocation | ||
+ | ;[[Functions_HI-TECH_C_FREE|free(ptr)]] :Dynamic memory release | ||
+ | ;[[Functions_HI-TECH_C_REALLOC|realloc(ptr, cnt)]] :Dynamic memory reallocation | ||
+ | ;[[Functions_HI-TECH_C_CALLOC|calloc(cnt, size)]] :Dynamic memory allocation zeroed | ||
+ | ;[[Functions_HI-TECH_C_PERROR|perror(s)]] :Print error message | ||
+ | ;[[Functions_HI-TECH_C_QSORT|qsort(base, nel, width, func)]] :Quick sort | ||
+ | ;[[Functions_HI-TECH_C_SRAND|srand(seed)]] :Initialize random number generator | ||
+ | ;[[Functions_HI-TECH_C_RAND|rand()]] :Get next random number | ||
+ | ;[[Functions_HI-TECH_C_SETJMP|setjmp(buf)]] :Setup for non-local goto | ||
+ | ;[[Functions_HI-TECH_C_LONGJMP|longjmp(buf, val)]] :Non-local goto | ||
+ | ;<nowiki>[[Functions_HI-TECH_C__GETARGS|_getargs(buf, name)]]</nowiki> :Wild card expansion and i/o redirection | ||
+ | ;[[Functions_HI-TECH_C_INP|inp(port)]] :Read port | ||
+ | ;[[Functions_HI-TECH_C_OUTP|outp(port, data)]] :Write data to port | ||
+ | ;[[Functions_HI-TECH_C_BDOS|bdos(func, val)]] :Perform bdos call (CP/M) | ||
+ | ;[[Functions_HI-TECH_C_MSDOS|msdos(func, val, val, ...)]] :Perform msdos call | ||
+ | ;[[Functions_HI-TECH_C_MSDOSCX|msdoscx(func, val, val, ...)]] :Alternate msdos call | ||
+ | ;[[Functions_HI-TECH_C_INTDOS|intdos(ip, op)]] :Execute DOS interrupt | ||
+ | ;[[Functions_HI-TECH_C_INTDOSX|intdosx(ip, op, sp)]] :Execute DOS interrupt | ||
+ | ;[[Functions_HI-TECH_C_SEGREAD|segread(sp)]] :Get segment register values | ||
+ | ;[[Functions_HI-TECH_C_INT86|int86(int, ip, op)]] :Execute software interrupt | ||
+ | ;[[Functions_HI-TECH_C_INT86X|int86x(int, ip, op, sp)]] :Execute software interrupt | ||
+ | ;[[Functions_HI-TECH_C_BIOS|bios(n, c)]] :Call bios entry (CP/M) | ||
+ | ;[[Functions_HI-TECH_C_EI|ei()]] :Enable interrupts | ||
+ | ;[[Functions_HI-TECH_C_DI|di()]] :Disable interrupts | ||
+ | ;[[Functions_HI-TECH_C_SET_VECTOR|set_vector(vec, func)]] :Set an interrupt vector | ||
+ | ;[[Functions_HI-TECH_C_ASSERT|assert(e)]] :Run time assertion | ||
+ | ;[[Functions_HI-TECH_C_GETENV|getenv(s)]] :Get environment string (MS-DOS) |
Latest revision as of 11:42, 14 December 2017
Contents
STANDARD I/O
- fopen(name, mode)
- Open file for I/O
- freopen(name, mode, stream)
- Re-open existing stream
- fdopen(fd, mode)
- Associate a stream with a file descriptor[WikiEditor:This item is not described on original document]
- fclose(stream)
- Close open file
- fflush(stream)
- Flush buffered data
- getc(stream)
- Read byte from stream
- fgetc(stream)
- Same as getc
- ungetc(c, stream)
- Push char back onto stream
- putc(c, stream)
- Write byte to stream
- fputc(c, stream)
- Same as putc()
- getchar()
- Read byte from standard input
- putchar(c)
- Write byte to standard output
- getw(stream)
- Read word from stream
- putw(w, stream)
- Write word to stream
- gets(s)
- Read line from standard input
- fgets(s, n, stream)
- Read string from stream
- puts(s)
- Write string to standard output
- fputs(s, stream)
- Write string to stream
- fread(buf, size, cnt, stream)
- Binary read from stream
- fwrite(buf, size, cnt, stream)
- Binary write to stream
- fseek(stream, offs, wh)
- Random access positioning
- ftell(stream)
- Current file read/write position
- rewind(stream)
- Reposition file pointer to start
- setvbuf(stream, buf, mode, size)
- Enable/disable buffering of stream
- fprintf(stream, fmt, args)
- Formatted output on stream
- printf(fmt, args)
- Formatted standard output
- sprintf(buf, fmt, args)
- Formatted output to a string
- vfprintf(stream, fmt, va_ptr)
- Formatted output on stream
- vprintf(fmt, va_ptr)
- Formatted standard output
- vsprintf(buf, fmt, va_ptr)
- Formatted output to a string
- fscanf(stream, fmt, args)
- Formatted input from stream
- scanf(fmt, args)
- Formatted standard input
- sscanf(buf, fmt, va_ptr)
- Formatted input from a string
- vfscanf(stream, fmt, va_ptr)
- Formatted input from stream
- vscanf(fmt, args)
- Formatted standard input
- [[Functions_HI-TECH_C_VSSCANF|vsscanf(buf, fmt, va_ptr)]
- Formatted input from a string
- feof(stream)
- True if stream at EOF
- ferror(stream)
- True if error on stream
- clrerr(stream)
- Reset error status on stream
- fileno(stream)
- Return fd from stream
- remove(name)
- Remove (delete) file
STRING HANDLING
- atoi(s)
- Convert ASCII decimal to integer
- atol(s)
- Convert ASCII decimal to long integer
- atof(s)
- Convert ASCII decimal to float
- xtoi(s)
- Convert ASCII hexadecimal to integer[WikiEditor:This item is not described on original document]
- memchr(s, c, n)
- Find char in memory block
- memcmp(s1, s2, n)
- Compare n bytes of memory
- memcpy(s1, s2, n)
- Copy n bytes from s2 to s1
- memmove(s1, s2, n)
- Copy n bytes from s2 to s1
- memset(s, c, n)
- Set n bytes at s to c
- strcat(s1, s2)
- Append string 2 to string 1
- strncat(s1, s2, n)
- Append at most n chars to string 1
- strcmp(s1, s2)
- Compare strings
- strncmp(s1, s2, n)
- Compare n bytes of strings
- strcpy(s1, s2)
- Copy s2 to s1
- strncpy(s1, s2, n)
- Copy at most n bytes of s2
- strerror(errnum)
- Map errnum to an error message string[WikiEditor:This item is not described on original document]
- strlen(s)
- Length of string
- strchr(s, c)
- Find char in string
- strrchr(s, c)
- Find rightmost char in string
- strspn(s1, s2)
- Length of s1 composed of chars from s2[WikiEditor:This item is not described on original document]
- strcspn(s1, s2)
- Length of s2 composed of chars not from s2[WikiEditor:This item is not described on original document]
- strstr(s1, s2)
- Locate the first occurence of s2 in s1[WikiEditor:This item is not described on original document]
LOW LEVEL I/O
- open(name, mode)
- Open a file
- close(fd)
- Close a file
- creat(name)
- Create a file
- dup(fd)
- Duplicate file descriptor
- lseek(fd, offs, wh)
- Random access positioning
- read(fd, buf, cnt)
- Read from file
- rename(name1, name2)
- Rename file
- unlink(name)
- Remove file from directory
- write(fd, buf, cnt)
- Write to file
- isatty(fd)
- True if fd refers to tty-like device
- stat(name, buf)
- Get information about a file
- chmod(name, mode)
- Set file attributes
CHARACTER TESTING
- isalpha(c)
- True if c is a letter
- isupper(c)
- Upper case letter
- islower(c)
- Lower case letter
- isdigit(c)
- Digit
- isalnum(c)
- Alphnumeric character
- isspace(c)
- Space, tab, newline, return or formfeed
- ispunct(c)
- Punctuation character
- isprint(c)
- Printable character
- isgraph(c)
- Printable non-space character
- iscntrl(c)
- Control character
- isascii(c)
- Ascii character (0-127)
FLOATING POINT
- cos(f)
- Cosine function
- sin(f)
- Sine function
- tan(f)
- Tangent function
- acos(f)
- Arc cosine function
- asin(f)
- Arc sine function
- atan(f)
- Arc tangent function
- exp(f)
- Exponential of f
- log(f)
- Natural log of f
- log10(f)
- Base 10 log of f
- pow(x,y)
- X to the y'th power
- sqrt(f)
- Square root
- fabs(f)
- Floating absolute value
- ceil(f)
- Smallest integral value >= f
- floor(f)
- Largest integral value <= f
- sinh(f)
- Hyperbolic sine
- cosh(f)
- Hyperbolic cosine
- tanh(f)
- Hyperbolic tangent
- frexp(y, p)
- Split into mantissa and exponent
- ldexp(y, i)
- Load new exponent
CONSOLE I/O
- getch()
- Get single character
- getche()
- Get single character with echo
- putch(c)
- Put single character
- ungetch(c)
- Push character back
- kbhit()
- Test for key pressed
- cgets(s)
- Get line from console
- cputs(s)
- Put string to console
DATE AND TIME FUNCTIONS
- time(p)
- Get current date/time
- gmtime(p)
- Get broken down Universal time
- localtime(p)
- Get broken down local time
- asctime(t)
- Convert broken down time to ascii
- ctime(p)
- Convert time to ascii
MISCELLANEOUS
- execl(name, args)
- Execute another program
- execv(name, argp)
- Execute another program
- spawnl(name, arg, ...)
- Execute a subprogram
- spawnv(name, argp)
- Execute a subprogram
- system(s)
- Execute system command
- atexit(func)
- Install func to be executed on termination
- exit(status)
- Terminate execution
- [[Functions_HI-TECH_C__EXIT|_exit(status)]]
- Terminate execution immediately
- getuid()
- Get user id (CP/M)
- setuid(uid)
- Set user id (CP/M)
- chdir(s)
- Change directory (MS-DOS)
- mkdir(s)
- Create directory (MS-DOS)
- rmdir(s)
- Remove directory (MS-DOS)
- getcwd(drive)
- Get current working directory (MS-DOS)
- signal(sig, func)
- Set trap for interrupt condition
- brk(addr)
- Set memory allocation
- sbrk(incr)
- Adjust memory allocation
- malloc(cnt)
- Dynamic memory allocation
- free(ptr)
- Dynamic memory release
- realloc(ptr, cnt)
- Dynamic memory reallocation
- calloc(cnt, size)
- Dynamic memory allocation zeroed
- perror(s)
- Print error message
- qsort(base, nel, width, func)
- Quick sort
- srand(seed)
- Initialize random number generator
- rand()
- Get next random number
- setjmp(buf)
- Setup for non-local goto
- longjmp(buf, val)
- Non-local goto
- [[Functions_HI-TECH_C__GETARGS|_getargs(buf, name)]]
- Wild card expansion and i/o redirection
- inp(port)
- Read port
- outp(port, data)
- Write data to port
- bdos(func, val)
- Perform bdos call (CP/M)
- msdos(func, val, val, ...)
- Perform msdos call
- msdoscx(func, val, val, ...)
- Alternate msdos call
- intdos(ip, op)
- Execute DOS interrupt
- intdosx(ip, op, sp)
- Execute DOS interrupt
- segread(sp)
- Get segment register values
- int86(int, ip, op)
- Execute software interrupt
- int86x(int, ip, op, sp)
- Execute software interrupt
- bios(n, c)
- Call bios entry (CP/M)
- ei()
- Enable interrupts
- di()
- Disable interrupts
- set_vector(vec, func)
- Set an interrupt vector
- assert(e)
- Run time assertion
- getenv(s)
- Get environment string (MS-DOS)