7-21.c

来自「《linux应用开发技术详解》的配套代码」· C语言 代码 · 共 8 行

#include <string.h>
main()
{
char *str="Linux was first developed for 386/486-based pcs.";
printf("%d\n",strcspn(str," "));
printf("%d\n",strcspn(str,"/-"));
printf("%d\n",strcspn(str,"1234567890"));
}