第一題
char *ptr=dest;
while ( *ptr++ != '\0' );
ptr--;
while ( (*ptr++=*source++) != '\0' );
return dest;
第二題
char *s=source,*target,*ptr;
while ( *s != '\0' )
{
ptr = s;
t = target;
while ( *t != '\0' && *ptr == *t )
{
ptr++;
t++;
}
if ( *t == '\0' ) return s;
s++;
}
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