Which of the following functions is used to concatenate two strings in C?strcat;strappend()strcat()strjoin()strmerge()

What is the function to concatenate two strings in C programming?

What is the action of strcat() function?*1 pointcompare two stringsconcatenate two stringsfind the length of the stringcopies one string to another

What is string concatenation in C programming?

How do you concatenate two strings s1 and s2 in C++?s1 + s2s1.append(s2)strcat(s1, s2)Both a) and b)

Write a function that concatenates two strings.Prototype: char *string_nconcat(char *s1, char *s2, unsigned int n);The returned pointer shall point to a newly allocated space in memory, which contains s1, followed by the first n bytes of s2, and null terminatedIf the function fails, it should return NULLIf n is greater or equal to the length of s2 then use the entire string s2if NULL is passed, treat it as an empty string