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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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strchr.c,v
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1992-03-27
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125 lines
head 1.3;
branch ;
access ;
symbols ;
locks ; strict;
comment @ * @;
1.3
date 92.03.27.13.29.29; author rab; state Exp;
branches ;
next 1.2;
1.2
date 89.03.22.16.06.40; author rab; state Exp;
branches ;
next 1.1;
1.1
date 88.04.25.13.25.42; author ouster; state Exp;
branches ;
next ;
desc
@@
1.3
log
@A few little optimizations.
@
text
@/*
* strchr.c --
*
* Source code for the "strchr" library routine.
*
* Copyright 1988 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#ifndef lint
static char rcsid[] = "$Header: /sprite/src/lib/c/string/RCS/strchr.c,v 1.2 89/03/22 16:06:40 rab Exp Locker: rab $ SPRITE (Berkeley)";
#endif /* not lint */
#include <string.h>
/*
*----------------------------------------------------------------------
*
* strchr --
*
* Locate the first appearance of a character in a string.
*
* Results:
* The return value is the address of the first appearance
* in string of c. If c doesn't appear in string then 0
* is returned.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
char *
strchr(string, c)
register char *string; /* String to search. */
register int c; /* Desired character. */
{
register int x;
while (1) {
x = *string++;
if (x == c) {
return string - 1;
}
if (x == 0) {
return (char *) 0;
}
}
}
@
1.2
log
@*** empty log message ***
@
text
@d17 1
a17 1
static char rcsid[] = "$Header: /sprite/src/lib/c/string/RCS/strchr.c,v 1.1 88/04/25 13:25:42 ouster Exp Locker: rab $ SPRITE (Berkeley)";
d43 1
a43 1
register char c; /* Desired character. */
d45 2
d48 3
a50 2
if (*string == c) {
return string;
d52 1
a52 1
if (*string++ == 0) {
@
1.1
log
@Initial revision
@
text
@d17 4
a20 2
static char rcsid[] = "$Header: proto.c,v 1.2 88/03/11 08:39:08 ouster Exp $ SPRITE (Berkeley)";
#endif not lint
@