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/*函数fscanf()示例*/ #includeFILE* stream; int main(int argc,char *argv[]) { long l; float fp; char s[81]; char c; if(argc != 2) { printf("文件参数错误!\n"); return 0; } stream = fopen(*(argv+1),"w+"); if(stream == NULL) { printf("打开文件失败!\n"); } else { fprintf(stream,"%s %d %f %c","a_string",6500,3.1415, 'x'); fseek(stream,0L,SEEK_SET); /*定位文件*/ fscanf(stream,"%s",s); /*格式化*/ fscanf(stream,"%ld",&l); fscanf(stream,"%f",&fp); fscanf(stream," %c",&c); printf("%s\n",s); printf("%ld\n",l); printf("%f\n",fp); printf("%c\n",c); fclose(stream);/*关闭*/ } return 0; }