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새싹교실/2020/새싹부터나무까지/박소은/실습/20.10.09 (rev. 1.7)

새싹교실/2020/새싹부터나무까지/박소은/실습/20.10.09

1

#include <stdio.h>
//*를 사용하되, 포인터(p)를 사용하지 마시오.

int main(void)
{
	int number[10] = { 1,3,5,7,9,11,13,15,17,19 };
	int i, * p;

	for (i = 0; i < 10; i++)
	{
		printf("%d\n", *(number + i));
	}

	return 0;
}

2

//strlen

int strlen(char* p)
{
	int length = 0, i = 0;
	while (*(p + i)) {
		length++;
		i++;
	}
	return length;
}

3

//strcat

void strcat(char s1[], char s2[])
{
	for (int i = strlen(s1); i < strlen(s1) + strlen(s2); i++)
	{
		s1[i] = s2[i];
	}
}

4


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