



Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Comp 211 Midterm 3, Spring 2025
Typology: Exams
1 / 7
This page cannot be seen from the preview
Don't miss anything!
char ** read_names ( int * num_names ) ;
void free_names ( char ** names , int num_names ) { for ( int i = 0; i < num_names ; i ++) { free ( names [ i ]) ; } free ( names ) ; }
int main () { int num_names = 0; char ** names = read_names (& num_names ) ;
printf ("\ nYou entered % d name ( s ) :\ n " , num_names ) ; for ( int i = 0; i < num_names ; i ++) { printf ("% s \ n " , names [ i ]) ; }
free_names ( names , num_names ) ; return 0; }
1 # include < stdio .h > 2 # include < stdlib .h > 3 # include < string .h > 4 5 # define SPACE 100 6 # define SECRET_NUM_1 7 7 # define SECRET_NUM_2 8 8 9 int main () { 10 const char * msg1 = " Hello , World !\ n "; 11 const char * msg2 = " We love Computer Science !"; 12 13 char * str = ( char *) malloc ( SPACE ) ; 14 if ( str == NULL ) { 15 printf (" Memory allocation failed .\ n ") ; 16 return 1; 17 } 18 19 strncpy ( str , msg1 , SPACE ) ; 20 strncpy ( str + SECRET_NUM_1 , msg2 + SECRET_NUM_2 , SPACE / 2) ; 21 str [15] = ’\0 ’; 22 23 printf ("% s \ n " , str ) ; 24 25 free ( str ) ; 26 }