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STRCSPN (3) | C library functions | Unix Manual Pages | :man▋
NAME
strcspn - span the complement of a string
CONTENTS
Library
Synopsis
Description
Return Values
See Also
Standards
LIBRARY
.Lb libc
SYNOPSIS
.In string.h size_t strcspn "const char *s" "const char *charset"
DESCRIPTION
The strcspn function spans the initial part of the null-terminated string s as long as the characters from s do not occur in string charset (it spans the complement of charset). In other words, it computes the string array index in s of the first character of s which is also in charset, else the index of the first null character.
RETURN VALUES
The strcspn function returns the number of characters spanned.
SEE ALSO
memchr(3), strchr(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)
STANDARDS
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