Ex05. userinfo.c

#include <stdio.h> #include <string.h> typedef struct userinfo { char name[20]; int age; } userinfo_t; int main( int argc, char **argv) { int age; int i; char buf[40]; userinfo_t myfriend[5]; for( i = 0; i < 5; i++ ) { printf("Name : "); fgets(buf, 19, stdin); buf[strlen(buf)-1] = '\0'; // convert '\n' to '\0' sprintf(myfriend[i].name, "%s", buf); printf("Age : "); fgets(buf, 19, stdin); age = atoi(buf); myfriend[i].age = age; } printf("/*** Friend List ***/ \n"); for( i = 0; i < 5; i++) { // %+12s : Right array // %-12s : Left array printf("%-12s : %d\n", myfriend[i].name, myfriend[i].age); } }

# gcc -o userinfo userinfo.c
# ./userinfo
Name : Yoo
Age : 18
Name : Kim
Age : 19
Name : Park
Age : 20
Name : Yuri
Age : 28
Name : Poorman
Age : 28
/*** Friend List ***/
Yoo             : 18
Kim             : 19
Park            : 20
Yuri             : 28
Poorman      : 28
#