51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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#include <stdio.h>
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struct Person {
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int age;
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int year_of_birth;
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char forename[30];
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char surname[50];
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};
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void print_person(struct Person p) {
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printf("p.age=%d p.year_of_birth=%d p.forename=%s p.surname=%s\n", p.age, p.year_of_birth, p.forename, p.surname);
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}
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int main() {
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struct Person p;
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FILE *fp;
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char choice;
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char filename[4097];
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printf("Read or write a file? (r/w) "); scanf("%c", &choice);
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if (choice == 'w') {
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printf("Enter age: "); scanf("%d", &p.age);
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printf("Enter birth year: "); scanf("%d", &p.year_of_birth);
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printf("Enter forename: "); scanf("%29s", p.forename);
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printf("Enter surname: "); scanf("%49s", p.surname);
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printf("Enter filename to save to: "); scanf("%4096s", filename);
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fp = fopen(filename, "wb");
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if (fp == NULL) {
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printf("Failed to open file for writing\n");
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return 1;
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}
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fwrite(&p, 1, sizeof(p), fp);
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} else {
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printf("Enter file to read from: "); scanf("%4096s", filename);
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fp = fopen(filename, "rb");
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if (fp == NULL) {
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printf("Failed to open file for reading\n");
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return 1;
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}
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fread(&p, 1, sizeof(p), fp);
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}
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print_person(p);
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return 0;
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}
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