/* * CS:APP Data Lab *//*  * Students enter their personal names and login IDs in a struct of * this type in their bits.c file. */typedef struct {    char *name;       char *id;} info_struct;/* Declare different function types */typedef int (*funct_t) (void);typedef int (*funct1_t)(int);typedef int (*funct2_t)(int, int); typedef int (*funct3_t)(int, int, int); /* Combine all the information about a function and its tests as structure */typedef struct {    char *name;    funct_t solution_funct; /* These will typically be casted */    funct_t test_funct;    int args;    char *ops;    int op_limit;    int rating;    int arg_ranges[3][2]; /* Min & Max values for each argument */} test_rec, *test_ptr;extern test_rec test_set[];