| 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 | .\" @(#)index.3 5.1 (Berkeley) %G% |
| 10 | .\" |
| 11 | .TH INDEX 3 "" |
| 12 | .AT |
| 13 | .SH NAME |
| 14 | index \- locate character in string |
| 15 | .SH SYNOPSIS |
| 16 | .nf |
| 17 | .ft B |
| 18 | #include <string.h> |
| 19 | |
| 20 | char * |
| 21 | index(const char *s, int c); |
| 22 | .ft R |
| 23 | .fi |
| 24 | .SH DESCRIPTION |
| 25 | .B Index |
| 26 | returns a pointer to the first occurrence of |
| 27 | .I c |
| 28 | (converted to a |
| 29 | .BR char ) |
| 30 | in the null-terminated string |
| 31 | .IR s , |
| 32 | or NULL if |
| 33 | .I c |
| 34 | does not occur anywhere in |
| 35 | .IR s . |
| 36 | If |
| 37 | .I c |
| 38 | is '\e0', |
| 39 | .B index |
| 40 | locates the terminating '\e0'. |
| 41 | .SH SEE ALSO |
| 42 | index(3), memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), |
| 43 | strsep(3), strspn(3), strstr(3), strtok(3) |