While previous packages where called vac, the latest version 13.1.3 of the C compiler name is xlccmp

Example of code

[root@aix1]/root# cat hello.c

#include <stdio.h>
main()
{
  for (;;)
    {
      printf ("Hello World!\n");
    }
}

Test compile :

[root@aix1]/root# /opt/IBM/xlc/13.1.3/bin/cc hello.c -o toto -q64

Then test the result, press CTRL+C to stop:

[root@aix1]/root# ./toto
Hello World!
Hello World!
Hello World!
Hello World!
Hello World!
....