/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 07:16:53 by lyao-che #+# #+# */
/* Updated: 2022/04/13 07:31:20 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <string.h>
int ft_strcmp(char *s1, char *s2);
int main(void)
{
char s1[] = "testing123";
char s2[] = "testing123";
int strcmp_r = strcmp(s1,s2);
int ft_strcmp_r = ft_strcmp(s1,s2);
printf("strcmp() function: %d\n", strcmp_r);
printf("ft_strcmp() function: %d\n", ft_strcmp_r);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 07:13:02 by lyao-che #+# #+# */
/* Updated: 2022/04/13 07:16:46 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strcmp(char *s1, char *s2)
{
int c;
c = 0;
while (s1[c] != '\0' && s2[c] != '\0' && s1[c] == s2[c])
c++;
return (s1[c] - s2[c]);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 08:20:00 by lyao-che #+# #+# */
/* Updated: 2022/04/18 07:18:12 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <string.h>
int ft_strncmp(char *s1, char *s2, unsigned int n);
int main(void)
{
char s1[] = "abc123";
char s2[] = "1";
int strncmp_r;
strncmp_r = ft_strncmp(s1,s2,8);
printf("strncmp() function: %d\n", strncmp(s1,s2,8));
//printf("ft_strncmp() function: %d\n", ft_strncmp(s1,s2,8));
printf("%d\n", strncmp_r);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 07:49:55 by lyao-che #+# #+# */
/* Updated: 2022/04/18 07:15:29 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strncmp(char *s1, char *s2, unsigned int n)
{
unsigned int c;
unsigned int cmp;
c = 0;
cmp = 0;
while (!cmp && (c < n) && (s1[c] != '\0') && (s2[c] != '\0'))
{
cmp = s1[c] - s2[c];
c++;
}
if (!cmp && c < n && (s1[c] == '\0' || s2[c] == '\0'))
cmp = s1[c] - s2[c];
return (cmp);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 11:46:27 by lyao-che #+# #+# */
/* Updated: 2022/04/13 14:23:28 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <string.h>
char *ft_strcat(char *dest, char *src);
int main(void)
{
char test1[100] = "test1234";
char test2[] = " bla";
ft_strcat(test1, test2);
strcat(test1,test2);
printf("strcat() function: %s\n", test1);
printf("ft_strcat function: %s\n", test1);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcat.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 11:42:02 by lyao-che #+# #+# */
/* Updated: 2022/04/14 10:45:18 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strlen(char *str)
{
int c;
c = 0;
while (*str != '\0')
{
c++;
str++;
}
return (c);
}
char *ft_strcat(char *dest, char *src)
{
int c;
c = ft_strlen(dest);
while (*src != '\0')
{
dest[c] = *src;
c++;
src++;
}
dest[c] = '\0';
return (dest);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 14:34:43 by lyao-che #+# #+# */
/* Updated: 2022/04/13 14:49:36 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <string.h>
char *ft_strncat(char *dest, char *src, unsigned int nb);
int main(void)
{
char test1[10] = "Hello";
char test2[] = " 42 KL";
strncat(test1,test2,3);
//ft_strncat(test1,test2,3);
printf("strncat() function: %s\n", test1);
printf("ft_strncat() function: %s\n", test1);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncat.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/13 14:34:07 by lyao-che #+# #+# */
/* Updated: 2022/04/14 11:05:48 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
char *ft_strncat(char *dest, char *src, unsigned int nb)
{
unsigned int c1;
unsigned int c2;
c1 = 0;
c2 = 0;
while (dest[c1] != '\0')
c1++;
while (src[c2] != '\0' && c2 < nb)
{
dest[c1 + c2] = src[c2];
c2++;
}
dest[c1 + c2] = '\0';
return (dest);
}