Reviewed.

[pdclib] / functions / string / strpbrk.c

diff --git a/functions/string/strpbrk.c b/functions/string/strpbrk.c
index 78e2d65ae8081011b3b73ac6f715542ed44a8a58..9c4fe78f40c1c3d3164f764ae1d2b7f78b24bc68 100644 (file)
--- a/functions/string/strpbrk.c
+++ b/functions/string/strpbrk.c
@@ -5,13 +5,23 @@
 // This code is Public Domain. Use, modify, and redistribute at will.
 // ----------------------------------------------------------------------------
 
-// ----------------------------------------------------------------------------
-// C++
-
-const char * strpbrk( const char * s1, const char * s2 ) { /* TODO */ };
-char * strpbrk( char * s1, const char * s2 ) { /* TODO */ };
-
-// ----------------------------------------------------------------------------
-// Standard C
+#include <__NULL.h>
 
-char * strpbrk( const char *s1, const char * s2 ) { /* TODO */ };
+char * strpbrk( const char *src_1, const char * src_2 )
+{
+    const char * p1 = src_1;
+    const char * p2;
+    while ( *p1 != '\0' )
+    {
+        p2 = src_2;
+        while ( *p2 != '\0' )
+        {
+            if ( *p1 == *p2++ )
+            {
+                return (char *) p1;
+            }
+        }
+        ++p1;
+    }
+    return NULL;
+}