63 lines
1.0 KiB
C
63 lines
1.0 KiB
C
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#include <stdio.h>
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#include <string.h>
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void read(char *res, int maxsize);
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struct Person {
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char name[28];
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int age;
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};
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void printPerson(struct Person *p) {
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printf("%s is %d years old\n", p->name, p->age);
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}
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void readPerson(struct Person *p) {
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printf("Enter your name: ");
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fflush(stdout);
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read(p->name, sizeof p->name);
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do {
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printf("Enter your age: ");
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fflush(stdout);
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scanf("%d", &p->age);
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} while (p->age < 0);
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}
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void read(char *res, int maxsize) {
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/* initialize each element to 0 to ensure that the result is null terminated */
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char buffer[1024] = {0};
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int ch;
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int i = 0;
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// break on newline, max size or end-of-file
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while((ch=getchar()) != '\n' && i < maxsize)
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{
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if (ch == EOF) break;
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buffer[i++] = ch;
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}
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memcpy(res, buffer, maxsize);
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}
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void greet() {
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struct Person p;
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char flag[32];
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strcpy(flag, "CSC{K03k735_Z1jn_73kker}");
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readPerson(&p);
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printPerson(&p);
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if (strcmp(p.name, flag) == 0) {
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printf("Wauw, you have the same name as our flag!");
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}
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}
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int main()
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{
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greet();
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return 0;
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}
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