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#include "string.h"
#include "arena.h"
char *memset( void *s, int c, int n )
{
char *p;
p = s;
while( n > 0 ) {
*p = c;
p++;
n--;
}
return s;
}
char *strcat( char *d, char *s )
{
char *p;
for( p = d; *p != '\0'; p++ );
while( *s ) {
*p = *s;
p++;
s++;
}
*p = '\0';
return d;
}
char *strcat_c( char *s, int c )
{
char *p;
for( p = s; *p != '\0'; p++ );
*p++ = (char)c;
*p = '\0';
return s;
}
char *strcpy( char *d, char *s )
{
char *p;
p = d;
while( *s ) {
*p = *s;
p++;
s++;
}
*p = '\0';
return d;
}
int strlen( char *s )
{
char *p;
int len;
p = s;
len = 0;
while( *p ) {
p++;
len++;
}
return len;
}
int strcmp( char *s1, char *s2 )
{
while( *s1 && *s2 && *s1 == *s2 ) {
s1++;
s2++;
}
return *s1 - *s2;
}
char *strdup( char *s )
{
char *p;
p = (char *)allocate( strlen( s ) + 1 );
if( !p ) {
return 0;
}
strcpy( p, s );
return p;
}
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