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STRSPNIndexNAMEstrspn, strcspn - search a string for a set of charactersSYNOPSIS#include <string.h> size_t strspn(const char *s, const char *accept); size_t strcspn(const char *s, const char *reject); DESCRIPTIONThe fBstrspn()fP function calculates the length of the initial segment of fIsfP which consists entirely of characters in fIacceptfP.The fBstrcspn()fP function calculates the length of the initial segment of fIsfP which consists entirely of characters not in fIrejectfP. RETURN VALUEThe fBstrspn()fP function returns the number of characters in the initial segment of fIsfP which consist only of characters from fIacceptfP.The fBstrcspn()fP function returns the number of characters in the initial segment of fIsfP which are not in the string fIrejectfP. CONFORMING TOSVID 3, POSIX, BSD 4.3, ISO 9899SEE ALSOindex(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strsep(3), strstr(3), strtok(3)
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