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1 | .\" Copyright (c) 1990 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| 3 | .\" | |
| 4 | .\" This code is derived from software contributed to Berkeley by | |
| 5 | .\" Chris Torek. | |
| 6 | .\" | |
| 7 | .\" %sccs.include.redist.man% | |
| 8 | .\" | |
| 9 | .\" @(#)strcspn.3 5.1 (Berkeley) %G% | |
| 10 | .\" | |
| 11 | .TH STRCSPN 3 "" | |
| 12 | .UC 7 | |
| 13 | .SH NAME | |
| 14 | strcspn \- span the complement of a string | |
| 15 | .SH SYNOPSIS | |
| 16 | .nf | |
| 17 | .ft B | |
| 18 | #include <string.h> | |
| 19 | ||
| 20 | size_t | |
| 21 | strcspn(const char *s, const char *charset); | |
| 22 | .ft R | |
| 23 | .fi | |
| 24 | .SH DESCRIPTION | |
| 25 | .B Strcspn | |
| 26 | spans the initial part of the null-terminated string | |
| 27 | .I s | |
| 28 | as long as the characters from | |
| 29 | .I s | |
| 30 | do not occur in string | |
| 31 | .I charset | |
| 32 | (i.e., | |
| 33 | .I strcspn | |
| 34 | spans the | |
| 35 | .I complement | |
| 36 | of | |
| 37 | .IR charset ). | |
| 38 | .B Strcspn | |
| 39 | returns the number of characters spanned. | |
| 40 | .SH SEE ALSO | |
| 41 | index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strrchr(3), | |
| 42 | strsep(3), strspn(3), strstr(3), strtok(3) | |
| 43 | .SH STANDARDS | |
| 44 | .B Strcspn | |
| 45 | conforms to ANSI X3.159-1989 (``ANSI C''). |