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C#/CSHARP tutorial

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
C language ftell() function: offset is the number of bytes from the beginning of the file

C language ftell() function: The offset is the number of bytes from the beginning of the file Function name: ftell Header file: <stdio.h> Function prototype: longftell (FILE*stream); Function:   Offset is the number of bytes from th

2024-11-13
C language fsetpos() function: Position the file pointer at the specified location

C language fsetpos() function: Position the file pointer at the specified location Function name: fsetpos Header file: <stdio.h> Function prototype: intfsetpos(FILE*stream, constfpos_t*pos); Function: Used to move the file pointer Position a

2024-11-13
C language fseek() function: relocating the file pointer on the stream

C language fseek() function: Relocate the file pointer on the stream Function name: fseek header file: <stdio.h> Function prototype: intfseek(FILE*stream, longoffset, intfromwhere); Function: Relocate the file pointer on the stream …

2024-11-13
C language lsearch() function: used to perform a linear search from beginning to end in a given area

C language lsearch() function: used to perform linear search from beginning to end in a given area Function name: lsearch Header file: <stdlib.h> Function prototype: void*lsearch(void*key,void*district,size_t *n,size_tm,&am……

2024-11-13
C language lfind() function: used to perform a linear search from beginning to end in a given area

C language lfind() function: used to perform a linear search from beginning to end in a given area Function name: lfind Header file: <stdlib.h> Function prototype: void*lfind(void*key, void*district,int *n,intm, &am……

2024-11-13
C language ldiv() function: used to divide two long integers

C language ldiv() function: used to divide two long integer numbers Function name: ldiv header file: <stdlib.h> Function prototype: ldiv_tldiv(longlx,longly); Function: used for two long integer numbers Division parameter: longlx is...

2024-11-13
C language itoa() function: used to convert integers into strings

C language itoa() function: used to convert integers into strings Function name: itoa header file: <stdlib.h> Function prototype: char*itoa(inti,char*s,inradix); Function: used to convert integers Convert to string parameters: inti&n……

2024-11-13
C language getenv() function: used to obtain the string in the current environment

C language getenv() function: used to get the string in the current environment Function name: getenv header file: <stdlib.h> Function prototype: char*getenv(char*name); Function: used to get the string in the current environment String para

2024-11-13
C language strnicmp() function: compares two strings of specified length

C language strnicmp() function: Compares two strings of specified length Function name: strnicmp Header file: <string.h> Function prototype:  intstrnicmp(constchar*str1,constchar*str2,uns...

2024-11-13
C language strncpy() function: splice the specified number of source strings after the target string

C language strncpy() function: splice the specified number of source strings behind the target string Function name: strncpy Header file: <string.h> Function prototype: char*strncpy(char*destin,constchar*source,intn );Function:&……

2024-11-13
C language cos() function: cosine function

C language cos() function: cosine function Function name: cos header file: <math.h> Function prototype: doublecos (doublex); Function: cosine function parameters: doublex  The radians to be operated on Return value: Return x radians

2024-11-13
C language strpbrk() function: compares whether there are the same characters in strings str1 and str2

C language strpbrk() function: compare whether there are the same characters in strings str1 and str2. Function name: strpbrk header file: <string.h> function prototype: char*strpbrk (constchar*str1, constchar*str2); function: &nbsp……

2024-11-13

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