From fd04aacee17b348da206c13a550dc1029669805f Mon Sep 17 00:00:00 2001 From: rsc Date: Sun, 23 Nov 2003 18:12:54 +0000 Subject: Various additions and fixes. --- src/lib9/cistrstr.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 src/lib9/cistrstr.c (limited to 'src/lib9/cistrstr.c') diff --git a/src/lib9/cistrstr.c b/src/lib9/cistrstr.c new file mode 100644 index 00000000..0a113226 --- /dev/null +++ b/src/lib9/cistrstr.c @@ -0,0 +1,23 @@ +#include +#include + +char* +cistrstr(char *s, char *sub) +{ + int c, csub, n; + + csub = *sub; + if(csub == '\0') + return s; + if(csub >= 'A' && csub <= 'Z') + csub -= 'A' - 'a'; + sub++; + n = strlen(sub); + for(; c = *s; s++){ + if(c >= 'A' && c <= 'Z') + c -= 'A' - 'a'; + if(c == csub && cistrncmp(s+1, sub, n) == 0) + return s; + } + return nil; +} -- cgit v1.2.3