Originální popis anglicky:
strspn, strcspn - search a string for a set of characters
Návod, kniha: Linux Programmer's Manual
#include <string.h>
size_t strspn(const char *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)
