// test implement strchr()

// initial/bad implementations of some string functions
//
#include <stdio.h>
#include <string.h>
#include "rename.h"

size_t strspn( const char *s1, const char *s2) { return 0; }
size_t strcspn( const char *s1, const char *s2) { return 0; }
char *strcat( char * restrict s1, const char * restrict s2) { return ""; }

char *strcpy( char * restrict s1, const char * restrict s2) {
// initial test
 return memmove( s1, s2, strlen(s2)+1); 
}

// memcmp: if( s1[i] != s2[i]) return s1[i]-s2[i];
char *strncpy( char * restrict s1, const char * restrict s2, size_t n) { return ""; }

char *strchr( const char *s, int c) {
 printf( "c = %i\n", c);
 c = (char) c;
 printf( "c = %i\n", c);
 size_t i = 0;  // while( i >= 0) ??? 
 while(1) { // while( s[i] != 0) ...
   if( s[i] == c) return (char *) &s[i];
   if( s[i] == 0) break; // '\0' == 0
   ++i;
 }
 return 0;
}

char *strrchr( const char *s, int c) { return ""; }
char *strstr( const char *s1, const char *s2) { return ""; }
void *memcpy( void * restrict v1, const void * restrict v2, size_t size) { return ""; }
void *memset( void *v, int c, size_t size) { return ""; }