STRSPN
NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO
strspn, strcspn - search a string for a set of characters
#include s, const char *accept); size_t strcspn(const char *s, const char *reject);
The strspn() function calculates the length of the initial segment of s which consists entirely of characters in accept.
The strcspn() function calculates the length of the initial segment of s which consists entirely of characters not in reject.
The strspn() function returns the number of characters in the initial segment of s which consist only of characters from accept.
The strcspn() function returns the number of characters in the initial segment of s which are not in the string reject.
SVID 3, POSIX, BSD 4.3, ISO 9899
index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strsep(3), strstr(3), strtok(3)
13 pages link to strspn(3):