前田稔(Maeda Minoru)の超初心者のプログラム入門
/*★ Malloc で領域を確保 前田 稔 ★*/ #include <stdio.h> #include <malloc.h> struct person { char *name; int year; }; int main(void) { person *ptr = NULL; ptr = (struct person *)malloc(sizeof(struct person)); ptr->name = "ann"; ptr->year = 20; printf("name=%s year=%d\n", ptr->name,ptr->year); free(ptr); return 0; } |
int *p; p = (int *)malloc(sizeof(int)); |