in order to move the file pointer’s position using the fseek() function. This function determines the current position of the FILE pointer from which the offset needs to be added. The origin can have the follo
C语言 ftell()用法及代码示例 C语言 fgets() and gets()用法及代码示例 C语言 ferror()用法及代码示例 C语言 fgetc() and fputc()用法及代码示例 C语言 fwrite()用法及代码示例 注:本文由纯净天空筛选整理自Souvik Saha大神的英文原创作品 fseek() function in C language with Example。非经特殊声明,原始代码...
the function returns zero.Otherwise, it returns non-zero value.If a read or write error occurs,...
Thefseekfunction in C repositions the file pointer to a specific location within a file. It takes three parameters: aFILEpointer, a long integer offset, and an origin specifier. The origin can beSEEK_SET(start),SEEK_CUR(current), orSEEK_END(end).fseekreturns 0 on success and non-zero o...
Example: How fseek() function works? #include <cstdio> int main() { FILE* fp = fopen("example.txt","w+"); char ch; fputs("Erica 25 Berlin", fp); rewind(fp); printf("Name: "); while((ch=fgetc(fp))!=' ') putchar(ch); putchar('\n'); printf("Age: "); fseek(fp,10...
The function also sets the errno to indicate the error. Example 1: Moving to the Beginning of the File This program opens a file and moves the file pointer to the beginning of the file before reading the first character. Below is the illustration of the C library fseek() function. #...
The fseek() function shall return 0 if they succee,d otherwise, they shall return -1 and set errno to indicate the error. Example: fseek() function Following function opens a file test.txt for reading. After performing input operations,fseek() moves the file pointer to the beginning of the...
❮ C stdio Library ExampleRead the character at position 4 from the start of the file:FILE *fptr;fptr = fopen("filename.txt", "r");fseek(fptr, 4, SEEK_SET);char c = fgetc(fptr);printf("%c", c);fclose(fptr); Definition and UsageThe fseek() function moves the position ...
take care of yourself." 当我们实现 fseek() 时,我们将指针相对于文件末尾移动 0 距离,即指针现在指向文件末尾。因此输出为 81。 相关文章:C语言 fseek() vs rewind()用法及代码示例 由纯净天空筛选整理自GeeksforGeeksfseek() in C/C++ with example...
There is no need to read each record sequentially, if we want to access a particular record.C supports these functions for random access file processing.fseek() ftell() rewind()fseek(): This function is used for seeking the pointer position in the file at the specified byte. Syntax: fseek...