strspn |
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strspn |
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strspn |
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strspn |
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size_t strspn( char *s1, char *s2 )
char *s1; /* a string */ char *s2; /* character set string */
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Synopsis |
#include "string.h"
The strspn function determines of the prefix of string s1 that cosists only of characters in string s2 .
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Parameters |
s1 and s2 are null-terminated strings.
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Return Value |
strspn returns the length of the prefix determined above.
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See Also |
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