Introduction and example usage of strcat_s function in C language

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1. The strcat_s function adds the string pointed to by strSource to the end of other strings.

Therefore, you need to make sure that strDestination has enough memory space to hold the strSource and strDestination strings, otherwise it will cause an overflow error.

2.\ 0 at the end of strDestination will be overwritten.

The\ 0 at the end of the strSource will be copied together, and the final string will have only one\ 0.

Example

Char source [] = "Hello world!"; char destination [20] = {0}; strcpy_s (destination,sizeof (destination) / sizeof (destination [0]), source); at this point, the study of "introduction and example usage of strcat_s functions in c language" is over, hoping to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!