diff options
Diffstat (limited to 'nuttx/lib/string/lib_strchr.c')
| -rw-r--r-- | nuttx/lib/string/lib_strchr.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/nuttx/lib/string/lib_strchr.c b/nuttx/lib/string/lib_strchr.c index 1086f128d..ad7273862 100644 --- a/nuttx/lib/string/lib_strchr.c +++ b/nuttx/lib/string/lib_strchr.c @@ -1,8 +1,8 @@ /**************************************************************************** * lib/string/lib_strchr.c * - * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * Copyright (C) 2007, 2009, 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -45,11 +45,21 @@ * Global Functions ****************************************************************************/ -/* The strchr() function returns a pointer to the first - * occurrence of the character c in the string s. - */ +/**************************************************************************** + * Name: strchr + * + * Description: + * The strchr() function locates the first occurrence of 'c' (converted to + * a char) in the string pointed to by 's'. The terminating null byte is + * considered to be part of the string. + * + * Returned Value: + * Upon completion, strchr() returns a pointer to the byte, or a null + * pointer if the byte was not found. + * + ****************************************************************************/ -char *strchr(const char *s, int c) +FAR char *strchr(FAR const char *s, int c) { if (s) { @@ -57,11 +67,10 @@ char *strchr(const char *s, int c) { if (*s == c) { - return (char*)s; + return (FAR char *)s; } } } return NULL; } - |