Storage Class
- 1. Storage Class Programming Techniques using C Under the guidance of Mrs. Sushma Mishra Submitted by: Joyce Aiman Parhi BCA 2nd Semester Roll no. 20
- 2. What is a Storage Class? Each variable declared in C contains not only a datatype but a storage class too. If the programmer does not write it explicitly, the C preprocessor expands the line of code and adds the default storage class keyword i.e. ‘auto’ to the statement.
- 3. Types ● Automatic ● Register ● Static ● External
- 4. Features ● Storage ● Life ● Scope ● Default Value
- 5. extern Storage Class int Datatype i Variable Name = Assignment Operator 20 Value Syntax
- 6. Example’s
- 7. auto #include<stdio.h> #include<conio.h> void main() { auto int i; /* default storage class i.e. auto */ int a,b; /* Same as writing ‘auto int’ a */ for(i=0;i<100;i++) { printf("Hellon"); } getch(); }
- 8. register #include<stdio.h> #include<conio.h> void main() { int a,b; /* */ register int i; /* */ for(i=0;i<100;i++) { printf("Hellon"); } getch(); }
- 9. static #include<stdio.h> #include<conio.h> void main() { int a,b; /* */ static int i; /* */ for(i=0;i<100;i++) { printf("Hellon"); } getch(); }
- 10. extern #include<stdio.h> #include<conio.h> void main() { int a,b; /* */ extern int i; /* */ for(i=0;i<100;i++) { printf("Hellon"); } getch(); }
- 11. Thank You