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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
Stack operations - C++: Write a program to define basic stack operations in c++. int Stack::push(int elem) { int m = getmax(); if (top { put_
HOW CAN WE EASLY LEARN C++
For the circuit shown in Figure, verify (a) the battery voltage V , (b) the total resistance of the circuit, and (c) the values of resistance of resistors R 1 , R 2 and
Program to print the total marks and percentage of the 3 students using array
Multidimensional Arrays - Every dimension is specified in separate brackets e.g. int arr[4][3]; This is a two-dimensional array with 4 as row dimension and 3 as
coloring of elements in matrix form inm particular matrix.the color should not match with another color.
polishing the jewel game with c coding
To store a date use a structure that contains three members date, month and year. If the dates are equal then display message “Equal” otherwise “Unequal” Program structure: main()
write a program in c car booking system
#queWrite a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points c
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