36 lines
625 B
C
36 lines
625 B
C
// 自定义二进制文件写入
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct
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{
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int sid;
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char name[32];
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int age;
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char sex[4];
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} STU;
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int main()
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{
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STU s1 = {1, "disen", 20, "男"};
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STU s2 = {2, "jack", 18, "女"};
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STU *s3 = malloc(sizeof(STU));
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s3->sid = 3;
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strcpy(s3->name, "lily");
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s3->age = 19;
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strcpy(s3->sex, "女");
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FILE *f = fopen("d13.txt", "wb");
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if (NULL == f)
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{
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return 1;
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}
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fwrite(&s1, sizeof(STU), 1, f);
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fwrite(&s2, sizeof(STU), 1, f);
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fwrite(&s3, sizeof(STU), 1, f);
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fclose(f);
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return 0;
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} |