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#include <stdbool.h>
#include "string.h"
void* memcpy(void* restrict dstptr, const void* restrict srcptr, int size)
{
unsigned char* dst = (unsigned char*) dstptr;
const unsigned char* src = (const unsigned char*) srcptr;
for ( int i = 0; i < size; i++ )
dst[i] = src[i];
return dstptr;
}
// extra function for non-null terminated
//length 0 for null terminated strings;
int strcmp_l(char *str1, char *str2, int length)
{
int i=0;
while(true)
{
if(str1[i]!=str2[i])return str1[i]-str2[i];
i++;
if(i==length) return 0;
if( length==0 && (str1[i]==0 || str2[i]==0 ) )
return str1[i]-str2[i];
}
}
strcmp(char *str1, char *str2)
{
return strcmp_l(str1,str2,0);
}
int strlen(const char* string)
{
int result = 0;
while ( string[result] )result++;
return result;
}
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