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author | Arnold D. Robbins <arnold@skeeve.com> | 2010-07-16 13:09:56 +0300 |
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committer | Arnold D. Robbins <arnold@skeeve.com> | 2010-07-16 13:09:56 +0300 |
commit | bc70de7b3302d5a81515b901cae376b8b51d2004 (patch) | |
tree | d36d6743e65697f6923b79d0ea8f9f9bf4ef7398 /missing_d/strchr.c | |
parent | b9e4a1fd4c8c8753ab8a9887bab55f03efe1e3e2 (diff) | |
download | egawk-bc70de7b3302d5a81515b901cae376b8b51d2004.tar.gz egawk-bc70de7b3302d5a81515b901cae376b8b51d2004.tar.bz2 egawk-bc70de7b3302d5a81515b901cae376b8b51d2004.zip |
Move to gawk-3.1.0.
Diffstat (limited to 'missing_d/strchr.c')
-rw-r--r-- | missing_d/strchr.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/missing_d/strchr.c b/missing_d/strchr.c new file mode 100644 index 00000000..7da479fc --- /dev/null +++ b/missing_d/strchr.c @@ -0,0 +1,47 @@ +/* + * strchr --- search a string for a character + * + * We supply this routine for those systems that aren't standard yet. + */ + +#if 0 +#include <stdio.h> +#endif + +char * +strchr(str, c) +register const char *str, c; +{ + if (c == '\0') { + /* thanks to Mike Brennan ... */ + do { + if (*str == c) + return (char *) str; + } while (*str++); + } else { + for (; *str; str++) + if (*str == c) + return (char *) str; + } + + return NULL; +} + +/* + * strrchr --- find the last occurrence of a character in a string + * + * We supply this routine for those systems that aren't standard yet. + */ + +char * +strrchr(str, c) +register const char *str, c; +{ + register const char *save = NULL; + + for (; *str; str++) + if (*str == c) + save = str; + + return (char *) save; +} |