What does a function declared like this mean? "char *removeDups(char str[])"

[shankuz101]

reference method 4 from the page

Remove duplicates from a given string - GeeksforGeeks

[suman_18733097]

Refer to this for more information on return types.

char* fun_name(arg1, arg2, ..., argN) is a function that returns a pointer to a char. If you don’t wish to use it, you can use string instead.