what is fseek and ftell in c?
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Functions ftell() and fseek() are important in a program performing file manipulations. Function ftell() returns the current position of the file pointer in a stream. The return value is 0 or a positive integer indicating the byte offset from the beginning of an open file.
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As written here, BCLK is the base clock (set by default at 100 MHz) used to determine the frequency for the CPU, the FCLK, Uncore (Cache), and the MEMory. These four use their own multiplier of the BCLK frequency.
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['fflush function <stdio. h>', 'fopen function <stdio. h>', 'freopen function <stdio. h>']
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['Assembler.', 'C.', 'Fortran.', 'COBOL.', 'Forth.', 'Pascal.']
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fgets() prototype char* fgets(char* str,int count,FILE* stream); The fgets() function reads a maximum of count-1 characters from the given file stream and stores them in the array pointed to by str . The parsing continues until the end of file occurs or a newline character (\n) is found.
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IGYCRCTL is an IBM COBOL compiler utility. The compiler options are passed using PARM parameter. In the above example, RMODE instructs the compiler to use relative addressing mode in the program. The COBOL program is passed using SYSIN parameter and the copybook is the library used by the program in SYSLIB.
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The fwrite function works the same way, but moves the block of bytes from memory to the file. The fseek function moves the file pointer to a byte in the file. Generally, you move the pointer in sizeof(struct rec) increments to keep the pointer at record boundaries.
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Syntax: char *fgets(char *str, int n, FILE *fp); The function reads a string from the file pointed to by fp into the memory pointed to by str . The function reads characters from the file until either a newline ( '\n' ) is read or n-1 characters is read or an end of file is encountered, whichever occurs first.
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FDL = Function Data Line. FDL Code = Coding of individual FDL's in an ECU, overriding the VO Coding. Connect => Read FA (VO) => Activate FA (VO) => Read SVT (VCM) => Right-Click on the ECU CAFD and select Read Coding Data => Expand the CAFD Folder by clicking + symbol => Right.
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C Language: feof function. (Test for End-of-File) In the C Programming Language, the feof function tests to see if the end-of-file indicator has been set for a stream pointed to by stream.
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['right click on fsbl, select C/C++ Build settings.', 'Select ARM A53 gcc compiler->Miscellaneous.', 'remove "-Os -flto -ffat-lto-objects" from \'other flags\'']
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The sscanf() function reads the values from a char[] array and store each value into variables of matching data type by specifying the matching format specifier. sprintf() The sprintf() function reads the one or multiple values specified with their matching format specifiers and store these values in a char[] array.
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The fgets() function reads at most n-1 characters from stream into the buffer pointed to by s.
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A FIFO element is required in between to store packets so that it allows both the sender and the receiver to independently operate. Depth of the FIFO is typically calculated based on the rate of data transfer. A TLM FIFO is placed in between testbench components that transfer data objects at different rates.
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Description. The wcwidth() function returns the number of columns needed to represent the wide character c. If c is a printable wide character, the value is at least 0. If c is null wide character (Laq\0aq), the value is 0.
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The function read(2) is usually implemented as a system call to the operating system kernel. ... This means that the internal read(2) from fgetc(3) wouldn't just read a single character, but rather it'll try to get more for the sake of efficiency.
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['#include <stdio.h>', '#include <stdlib.h>', 'main()', '{', 'char ch, source_file[20], target_file[20];', 'FILE *source, *target;', 'printf("Enter name of file to copy\\n");', 'gets(source_file);']