9 int a(int val, char ch)  in a()  argument
12     char my_ch = ch;  in a()
13     printf("a(val=%d, ch='%c')\n", val, ch);  in a()
15         return b(val+1, ch+1);  in a()
17         return c(val+1, ch+1);  in a()
22 int b(int val, char ch)  in b()  argument
25     char my_ch = ch;  in b()
26     printf("b(val=%d, ch='%c')\n", val, ch);  in b()
27     return c(val+1, ch+1);  in b()
30 int c(int val, char ch)  in c()  argument
33     char my_ch = ch;  in c()
34     printf("c(val=%d, ch='%c')\n", val, ch);  in c()
35     return val + 3 + ch;  in c()