Source Code : Decision Statement In C

Decision Statement In C

if (condition) 

{

  stmt 1;  //Executes if Condition is true

}

else

{

  stmt 2;  //Executes if condition is false

}

Switch Statement

switch(var) 

{

case 1:  //if var=1 this case executes

  stmt;

  break;

case 2:  //if var=2 this case executes

  stmt;

  break;

default:  //if var is something else this will execute

  stmt;

}

String functions

strlen(str) – To find length of string str

strrev(str) – Reverses the string str as rts

strcat(str1,str2) – Appends str2 to str1 and returns str1

strcpy(st1,st2) – copies the content of st2 to st1

strcmp(s1,s2) – Compares the two string s1 and s2

strcmpi(s1,s2) – Case insensitive comparison of strings