projects / unix-history / blame
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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 | .\" @(#)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) |