(data type) variable_name
[dywang@dyw219 zzz]$ vim typetran1.c [dywang@dyw219 zzz]$ cat typetran1.c #include <stdio.h> main() { int n1, n2; float f1=3.14159, f2=5.987; n1 = (int) f1; n2 = (int) f2; printf("f1 = %f, n1 = %d\n", f1, n1); printf("f2 = %f, n2 = %d\n", f2, n2); }
[dywang@dyw219 zzz]$ gcc -o typetran1 typetran1.c
[dywang@dyw219 zzz]$ ./typetran1 f1 = 3.141590, n1 = 3 f2 = 5.987000, n2 = 5