/* a program to print Hello World */

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A simple C program
/ a program to print Hello World / /

/ includeltstdio.hgt int main(void) printf(
Hello World \n ) return(0)
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• Comment lines
• ignored by the compiler
• can be placed any where

/ a program to print Hello World / /

/ includeltstdio.hgt int main(void)
- preprocessor directive begins with - lt gt
files are located in C lib. - h indicates a
header file - stdio standard input output lib
spaces are allowed between lines of code

• declares the function main
• every C program requires this

braces mark the beginning and end
of a block of code
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Control string in quotation marks
May contain text and/or conversion specifiers
New line indicator Causes a skip to the next line
printf( Hello World \n ) return(0)
Ends execution of the program and returns
control to the operating system
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Assignment 1 a
Write and run a program in C code to print a one
line wisdom expression such as what consumes
your mind will control your life . Compile the
source file with a Borland C or C compiler.
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Assignment 1b
Type out the source file and the output for a
FORTRAN program that will produce the same
wisdom statement as in 1a.
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