ll

gistfile1.txt

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char *scanner();
void my_realloc(char **str,int size);
int main(void){
	int size=100,i=0;
	//scanf("%d",&n);
	char **str,*p;
	str=malloc(size);
	while(1){
		if(i>=size){
			my_realloc(str,size);
		}
	
		p=scanner();
		int j = 0;
		for (j = 0; j < 4; j++) {
			printf("%c", p[j]);
		}
		str[i++]=p;
		
		
		if(strcmp(str[i],"\n")==0)
			break;
	}
	
	return 0;
}

void my_realloc(char **str, int size){
	size*=2;
	str=realloc(str,size);
	if(str==NULL)
		exit(0);
}

char *scanner(){
	char *p, ch;
	int n=0,size=2;
	p=malloc(size);
	while(1){
		ch=getchar();
		if(size>=n){
			size*=2;
			p=realloc(p,size);
		}
		if(ch==' ' || ch=='\n'){
			p[n]='\0';
			break;
		}
		p[n++]=ch;
	}
	return p;
}