One of the most fundamental control structures in C programming is the “if-else” statement. This versatile construct empowers programmers to make decisions, perform actions based on conditions, and create dynamic and responsive programs. In this blog, we will delve into the depths of the “if...
and else-if statements. They help in controlling the flow of the program by allowing the execution of certain blocks of code while skipping others based on the evaluation of Boolean expressions. This is fundamental in creating dynamic and responsive programs that can handle a variety of scenarios...
No compatible source was found for this media. ageage}elseif(age<21){printf("You need to be over 21\n");}else{printf("You are over 18 and older than 21 so you can continue \n");}} Output Run the code and check its output − ...
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#if, #else, #elif, #endifTo control the compilation of portions of a source code. #errorTo print the error message on stderr. #pragmaTo issue special commands to the compiler, using a standardized method. C Preprocessors Programs (Examples) ...
/*program to check entered number if ZERO, POSITIVE or NEGATIVE.*/#include <stdio.h>intmain(){intnum;printf("Enter an integer number:");scanf("%d",&num);if(num==0){printf("Number is ZERO");}elseif(num>1){printf("Nunber is POSITIVE");}else{printf("Number is NEGATIVE");}re...
*/ while ( ( c = getchar( ) ) != '+' ) { if ( isalpha ( c ) ) /* A test for an alphabetic */ { /* character. */ letter[i++] = c; } else if ( isdigit ( c ) ) /* A test for a decimal digit. */ { num??(j++??) = c - '0'; /* Trigraphs replace the...
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#if/#ifdef/#else/#endif The conditional compilation operators are implemented, but have some limitations. The operator "defined()" is not implemented. These operators can only be used at statement boundaries. #include Includes are supported however the level of support depends on the specific port...
c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, ...