} } }[root@localhost c-test]#gcc isdigit.c-o isxdigit[root@localhost c-test]#./isxdigit 1 is a number.2 is a number.0 is a number.5 is a number.6 is a number.[root@localhost c-test]#本篇就介绍到这里，未完待续。本文转自你...
if(ptr)printf("The character%c is at position:%d\n",c,ptr-string);else printf("The character was not found\n");return 0;} strcmp 函数名:strcmp 功 能:串比较 用 法:int strcmp(char*str1,char*str2);看Asic码，str1>str2，...
