Real-Time Windows Target

Supported C Functions

You can use ANSI C functions that do not use the Windows operating system in your custom blocks or I/O drivers. The following includes a partial list of supported functions:

• Data conversion functions -- abs, atof, atoi, atol, itoa, labs, ltoa, strtod, strtol, strtoul, ultoa
• Memory allocation functions -- calloc, free, malloc
• Memory manipulation functions -- _memccpy, memcpy, memchr, memcmp, _memicmp, memmove, memset
• String manipulation functions -- strcat, strchr, strcmp, strcpy, strcspn, _strdup, _stricmp, strlen, _strlwr, strncat, strncmp, strncpy, _strnset, strpbrk, strrchr, _strrev, _strset, strspn, strstr, strtok, strupr
• Mathematical functions -- acos, asin, atan, atan2, ceil, cos, cosh, div, exp, fabs, floor, fmod, frexp, ldexp,ldiv, log, log10, max, min, modf, pow, rand, sin, sinh, sqrt, srand, tan,tanh,uldiv
• Character class tests and conversion -- isalnum, isalpha, _isascii, iscntrl, isdigit, isgraph, islower, isprint, ispunct, isspace, isupper, isxdigit, isxupper, isxlower, _toascii, tolower, toupper
• Searching and sorting -- bsearch, qsort
• Dummy functions -- exit, fprintf, prinf

Nonsupported C Functions