C Primer Plus, Fourth Edition

Review Questions

1:	Which storage classes create variables local to the function containing them?
2:	Which storage classes create variables that persist for the duration of the containing program?
3:	Which storage class creates variables that can be used across several files? Restricted to just one file?
4:	What kind of linkage do block scope variables have?
5:	What is the extern keyword use for?
6:	Consider this code fragment: int * p1 = (int *) malloc(100 * sizeof(int)); In terms of the final outcome, how does the following statement differ? int * p1 = (int *) calloc(100, sizeof(int));
7:	Which functions know each variable in the following? Are there any errors? /* file 1 */ int daisy; int main(void) { int lily; ...; } int petal() { extern int daisy, ...