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Although we can handle most I/O routines with getc and putc , there are file versions of fgets, fputs, fprintf and fscanf . The syntax is fgets(stringname,n,filename); This reads n-1 characters form the filename into the stringname variable fputs(stringname,filename); This writes the contents of the stringname to the filename channel fscanf(filename,"format",&variables); This is identical to scanf except that the data is read from the filename fprintf(filename,"format",variables); This is a file write function to store raw binary data fwrite(filename,"format",variables); This is a file read function to read raw binary data fread(filename,"format",variables);
These I/O functions are actually the original I/O functions and printf etc are a simplified sub set of I/O. The VDU and keyboard defined as streams namely stdout and stdin. Therefore within C we have re-defined the following function i.e
fprintf(stdout,"format",variables); to printf("format",variables); Likewise we have scanf subset of fscanf File is stdin getchar subset of getc File is stdin putchar subset of putc File is stdout puts subset of fputs File is stdout gets subset of fgets File is stdin
Program to check even and odd numbers: int main() { int your_number; cout cin >> your_number;
The Scope Resolution Operator( :: ) Global variables are explained outside any functions and thus can be used by all the functions defined thereafter. However, if a global vari
Default Arguments A default argument is a value that is automatically assigned to a formal variable, if the actual argument from the function call is omitted. e.g. void
Explain the Defination and Declaration of Union? Generally in terms the composition of a union may be defined as be as union tag { member 1; member 2; member m; }; Wh
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
WAP TO ACCEPT THE BASIC SALARY OF EMPLOYEES & CALCULATE NET SALARY #include stdio.h> #include conio.h> void main() { float Basi
Explain about the Integer constants in c language? An integer constant is the integer valued number and it refers to a sequence of digits. A decimal integer constant includes o
TO CONVERT A NUMBER OR A DIGIT INTO ALPHABET
# include stdio.h> # include conio.h> # include string.h> void main() { int i=0,j=0; char a[100],temp; clrscr();
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