CompuServe Messages

declaring a C subroutine (example) int my_routine(char *p) { int i = 0; while (*p) p++; i++; } return i; } main() { printf("%d\n", my_routine("hello")); } should yield the output of 5. To learn C programming, there is only one book that you need: The C programming language, by Dennis Kernighan and Brian Ritchie.