#include<stdlib.h>
#include<sys/stat.h>
#include<unistd.h>
#include<sys/types.h>
#include<dirent.h>
#include<string.h>
#define MAX 1024
int dir_run(char *path,char *str)
{
DIR *dir;
struct stat st; struct dirent *entry,*en; char fp[MAX]; dir=opendir(path); if(dir==NULL) { return -1; } while((entry = readdir(dir)) != NULL) { if((strcmp(entry->d_name,".") == 0) || (strcmp(entry->d_name,"..") == 0)) { continue; } sprintf(fp,"%s/%s",path,entry->d_name); stat(fp,&st); if(S_ISREG(st.st_mode)) { if(strncmp(entry->d_name,str,3)==0) { printf("%s目录下后缀为%s的文件:\n",str); printf("%s\n",entry->d_name); } } if(S_ISDIR(st.st_mode)) { dir_run(fp,str); } } return 0; } int main(int argc,char * argv[]) { if(argc==3) { dir_run(argv[1],argv[2]); } else printf("输入参数不对,正确格式:./main dirpath abc\n"); } 原文链接：https://www.f2er.com/regex/361629.html