Technology

Question:  Write the structure of C. Ans : T he format according to which a program is written is called the  structure of program. The following is the structure of a C program. Structure of C Language Structure of C Language Question: What are preprocessor directives? Describe its main types. Ans:   Preprocessor directives are instructions for the c compiler. Every C language program contains preprocessor directives at the beginning of the program. These directives start with number sign(#). The most commonly used preprocessor directives are include and define. ** The include Preprocessor Directives When this preprocessor is carried out by the c compiler, it will search for the header file that is written within the less than(<) and greater (>) symbols and copy it into the source file. In the above program the header file stdio.h is used. The Define Preprocessor Directives The define preprocessor is used for defining constants in c programs. It directs the compile...