代码:
1 //This is c program code! 2 /* *=+=+=+=+* *** *=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= 3 * 文档信息: *** :~/WORKM/stutyCode/cCode/recipesProblemSolution/chapter06/test6_10.c 4 * 版权声明: *** :(魎魍魅魑)MIT 5 * 联络信箱: *** :guochaoxxl@163.com 6 * 创建时间: *** :2020年11月21日的上午11:10 7 * 文档用途: *** :数据结构与算法分析-c语言描述 8 * 作者信息: *** :guochaoxxl(http://cnblogs.com/guochaoxxl) 9 * 修订时间: *** :2020年第46周 11月21日 星期六 上午11:10 (第326天) 10 * 文件描述: *** :自行添加 11 * *+=+=+=+=* *** *+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+*/ 12 #include <stdio.h> 13 14 typedef struct _bio{ 15 char name[15]; 16 int rollNo; 17 int age; 18 float weight; 19 } Bio; 20 21 void closeState(int clo, FILE *fPtr){ 22 clo = fclose(fPtr); 23 if(clo == -1){ 24 puts("File-closing failed."); 25 } 26 if(clo == 0){ 27 puts("File is closed successfully."); 28 } 29 30 return; 31 } 32 33 int main(int argc, char **argv) 34 { 35 FILE *fPtr = fopen("agents.dat", "r"); 36 if(fPtr != NULL){ 37 printf("File agents.dat is opened successfully. "); 38 Bio bio; 39 int m = fscanf(fPtr, "%s %d %d %f", bio.name, &bio.rollNo, &bio.age, &bio.weight ); 40 41 while(m != EOF && m != -1){ 42 printf("Name: %s, RoolNo: %d, Age: %d, Weight: %.1f ", bio.name, bio.rollNo , bio.age, bio.weight); 43 m = fscanf(fPtr, "%s %d %d %f", bio.name, &bio.rollNo, &bio.age, &bio.weight ); 44 } 45 int clo; 46 closeState(clo, fPtr); 47 }else{ 48 puts("File-open failed!"); 49 } 50 51 return 0; 52 }