Compute the length of a substring.
size_t __fastcall__ strcspn (const char* s, const char* set);
strcspnfunction computes and returns the length of the substring pointed to by
swhich does not consist of characters contained in the string
- The function is only available as fastcall function, so it may only be used in presence of a prototype.
- See also
strspn, strstr, strtok