how to calloc an array of strings in c code example

Example: array of strings in c

char ch_arr[3][10] = {
                         {'s', 'p', 'i', 'k', 'e', '\0'},
                         {'t', 'o', 'm','\0'},
                         {'j', 'e', 'r', 'r', 'y','\0'}
                     };