I'm trying to compile my c code from vi editor in linux but thisis what happened, Its in a new file now, how do I solve this erroron the cmd line and make sure my c file doesn't end up again how it gcc - std=c99 OpenMP.c OpenMP.c: In function 'main': OpenMP.c:51:9: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration] srand(time(NULL)); /tmp/ccivpsJX.o: In function ' 1 answer