Simple Yet Common Again

int catvars(char *buf1, char *buf2, unsigned int len1,
unsigned int len2){
char mybuf[256];

if((len1 + len2) > 256){
return -1;
}

memcpy(mybuf, buf1, len1);
memcpy(mybuf + len1, buf2, len2);

do_some_stuff(mybuf);

return 0;
}

Simple Yet Common

int myfunction(int *array, int len){
int *myarray, i;

myarray = malloc(len * sizeof(int));
if(myarray == NULL){
return -1;
}

for(i = 0; i < len; i++){
myarray[i] = array[i];
}

return myarray;
}