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Network programming tutorial

C language eof() function: Check whether the file is ended

C language eof() function: Check whether the file ends Function name: eof header file: <io.h> Function prototype: inteof(inthandle); Function: Check whether the file ends Parameters: inthandle  Returns the value for the file handle

2024-11-13
C language strncmp() function: compares two strings with a specified number of strings

C language strncmp() function: Compares two strings with a specified number of strings Function name: strncmp Header file: <string.h> Function prototype: intstrncmp (constchar*str1, constchar*str2, intn); Function: &n……

2024-11-13
C language fdopen() function: connect the stream to the file handle

C language fdopen() function: Connect the stream to the file handle Function name: fdopen Header file: <io.h> Function prototype: intfdopen(inthandle,char*type); Function: Connect the stream to the file handle Parameters: inthandle&n… …

2024-11-13
C language filelength() function: counts the number of bytes of the file opened by the open() function

C language filelength() function: counts the number of bytes of the file opened by the open() function Function name: filelength Header file: <io.h> Function prototype: intfilelength(inthandle); Function: counts the number of bytes opened by

2024-11-13
C language isatty() function: checks the given device type

C language isatty() function: Check the given device type Function name: isatty header file: <io.h> Function prototype: intisatty(inthandle); Function: Check the given device type Parameter: inthandle  is the one to be checked set u

2024-11-13
C language read() function: used to read the contents of an open file

C language read() function: used to read the contents of an open file Function name: read header file: <io.h> Function prototype: intread(inthandle, void*buf, intlen); Function: used to read an open file The content parameter: intohandle is

2024-11-13
C language lseek() function: used to move the pointer of an open file

C language lseek() function: used to move the pointer of the open file Function name: lseek header file: <io.h> Function prototype: intlseek(inthandle, longoffset, longlength); Function: used to move the pointer of the open file Parameters:

2024-11-13
C language tell() function: Get the pointer position of the open file

C language tell() function: Get the pointer position of the open file Function name: tell header file: <io.h> Function prototype: inttell(inthandle); Function: Get the pointer position of the open file Parameters: inthandle  To get

2024-11-13
C language write() function: write file

C language write() function: write file function name: write header file: <io.h> function prototype: intwrite(inthandle, void*buf, intlen); function: get the pointer position of the open file Parameter: inthandle...

2024-11-13
C language abs() function: find the absolute value of an integer

C language abs() function: Find the absolute value of an integer Function name: abs header file: <math.h> Function prototype:  intabs(inti); Function:   Find the absolute value of an integer Parameters: inti is an integer N

2024-11-13
C language acos() function: find the number of radians whose cosine value is x

C language acos() function: Find the number of radians whose cosine value is x Function name: acos header file: <math.h> Function prototype: doubleacos(doublex); Function: Find the number of radians whose cosine value is x Parameters: double

2024-11-13
C language asin() function: find the number of radians whose sine value is x

C language asin() function: Find the number of radians with the sine value of x Function name: asin Header file: <math.h> Function prototype: doubleasin (doublex) Function: Find the number of radians with the sine value of …

2024-11-13
C language atan() function: find the number of radians whose tangent value is x

C language atan() function: Find the number of radians whose tangent value is x Function name: atan header file: <math.h> Function prototype: doubleatan(doublex); Function: Find the number of radians whose tangent value is x Parameters: doub

2024-11-13
C language ceil() function: round up

C language ceil() function: Round up Function name: ceil header file: <math.h> Function prototype: doubleceil (doublex); Function:   Round up Parameters:  doublex&……

2024-11-13
C language fwrite() function: writes content to the stream

C language fwrite() function: write content to the stream Function name: fwrite header file: <stdio.h> Function: write content to the stream, add n data items to the given output stream starting from the pointer ptr, Each data item is size b

2024-11-13

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