c concatenate strings
char str[80];
strcpy(str, "these ");
strcat(str, "strings ");
strcat(str, "are ");
strcat(str, "concatenated.");c concatenate strings
char str[80];
strcpy(str, "these ");
strcat(str, "strings ");
strcat(str, "are ");
strcat(str, "concatenated.");concatenate two strings in c
#include <stdio.h>
#include <string.h>
int main()
{
char a[1000], b[1000];
printf("Enter the first string\n");
gets(a);
printf("Enter the second string\n");
gets(b);
strcat(a, b);
printf("String obtained on concatenation: %s\n", a);
return 0;
}program to concatenate two strings in c
// this program is to contenate strings without using string function
#include <stdio.h>
#include <string.h>
void concatenate(char *str1, char *str2)
{
int i = strlen(str1), j = 0;
while (str2[j] != '\0')
{
str1[i] = str2[j];
i++;
j++;
}
str1[i] = '\0'; // declaring the end of the string
}
int main()
{
char string1[20], string2[20];
gets(string1);
gets(string2);
concatenate(string1, string2);
printf("String 1 : ");
puts(string1);
return 0;
}c concatenate and allocate string
// null protected
char* strconcat(char *str1, const char *str2)
{
char *str = NULL;
size_t len1 = 0;
size_t len2 = 0;
if (str1)
len1 = strlen(str1);
if (str2)
len2 = strlen(str2);
if (!(str = calloc(sizeof(char), (len1 + len2 + 1))))
return NULL;
if (str1)
memcpy(str, str1, len1);
if (str2)
memcpy(str + len1, str2, len2);
return (str);
}Copyright © 2021 Codeinu
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