C语言学习：查找字符与子串

 1 #include <io_utils.h>
 2 #include <string.h>
 3 
 4 int main() {
 5   char *string = "Hello World!";
 6   char *result = strchr(string, 'l');
 7   char *result_reverse = strrchr(string, 'l');
 8   puts(result);
 9   puts(result_reverse);
10 
11   char *substring_position = strstr(string,"Wor");
12   puts(substring_position);
13   PRINT_INT(substring_position - string);
14 
15 
16   char *string2 = "C, 1972; C++, 1983; Java, 1995; Rust, 2010; Kotlin, 2011";
17   char *break_set = ",;";
18 
19   int count = 0;
20   char *p = string2;
21 
22   do {
23     p = strpbrk(p, break_set);
24     if (p) {
25       puts(p);
26       p++;
27       count++;
28     }
29   } while (p);
30 
31   PRINTLNF("Found %d characters.", count);
32   return 0;
33 }