Write a program strcat

The strcat function concatenates the destination string and the source string, and the result is stored in the destination string. Note: When we use strcat , the size of the destination string should be large enough to store the resultant string. If not, we will get the segmentation fault error. Course Index Explore Programiz. Popular Tutorials Data Types in C.

C for Loop. Arrays in C Programming. Pointers in C. Find roots of a quadratic equation. Print Pyramids and Patterns. The strcat function appends a copy of the string to the end of the destination string including the terminating null character. The initial character of the source string overwrites the null character at the end of the destination string. Note: If copying takes place between objects that overlap, the behavior is undefined. So if not require avoid to create own version of the strcat function.

We can easily implement the strcat function in C programming. You need to find the trailing null character of the destination string then you need to append the character of the source string including the null character. Note: Below function only to understand the working of strcat. There is a lot of scenarios that are not handled in this function. To understand this example, you should have the knowledge of the following C programming topics:. As you know, the best way to concatenate two strings in C programming is by using the strcat function.

However, in this example, we will concatenate two strings manually. Here, two strings s1 and s2 and concatenated and the result is stored in s1.

It's important to note that the length of s1 should be sufficient to hold the string after concatenation. If not, you may get unexpected output.

Course Index Explore Programiz. Popular Tutorials Data Types in C. C for Loop. Arrays in C Programming. Pointers in C. Find roots of a quadratic equation.