What is gets() function?

C Programming Language > Function in C Language > Function in C

Short Question

1480

Answer:

The gets() function allows a full line data entry from the user. When the user presses the enter key to end the input, the entire line of characters is stored to a string variable. Note that the enter key is not included in the variable, but instead a null terminator is placed after the last character.

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Related Program List

482. How do you search data in a data file using random access method?

Answer: Use the fseek() function to perform random access input/ouput on a file. After the file was opened by the fopen() function, the fseek would require three parameters to work: a file pointer to the file, the number of bytes to search, and the point of origin in the file.

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483. Are comments included during the compilation stage and placed in the EXE file as well?

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484. Is there a built-in function in C that can be used for sorting data?

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485. How do you convert strings to numbers in C?

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486. What is the use of a semicolon (;) at the end of every program statement?

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487. What is Blocks and Scope in c ?

Answer:

C is a block-structured language. Blocks are delimited by { and}. Every block can have its own local variables. Blocks can be defined wherever a C statement could be used. No semi-colon is required after the closing brace of a block.

Code:


#include<stdio.h>
#define semicolon ;
void main() 
{
 
  int a = 5;
  printf("\n%d", a);
  
  {
  int  a = 2;
  printf("\n%d", a);
  }
 
	
}

Output:

5
2Press any key to continue . . .

Reference to a variable will be to the variable of that name in the nearest enclosing block.

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488. What is Variable Storage Classes?

# Tutorial: Variable types and Scope in C

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489. How will you print "Hello World" without semicolon in c programming Language?

Answer: You can use this below two code Code 1:

#include
int main(void)
{
 switch(printf("Hello World 
"));
}

Code 2:

#include
int main(void)
{
 switch(printf("Hello World 
")){}
}

Output

Hello World
Press any key to continue . . .

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490. How will you print "Hello World" without semicolon in c programming Language?

Answer: You can use this below two code Code 1:

#include
int main(void)
{
 switch(printf("Hello World 
"));
}

Code 2:

#include
int main(void)
{
 switch(printf("Hello World 
")){}
}

Output

Hello World
Press any key to continue . . .

# Tutorial: switch case

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491. How will you print "Hello World" without semicolon in c programming Language using #define?

Answer: You can Write the below code for that

code

#include
#define semicolon ;
void main()
{
 printf("Hello World 
")semicolon
}

code

Hello World
Press any key to continue . . .

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