![]() Size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream) Opens the filename pointed to by filename using the given mode. Gets the current file position of the stream and writes it to pos.įILE *fopen(const char *filename, const char *mode) Tests the error indicator for the given stream. Tests the end-of-file indicator for the given stream. All buffers are flushed.Ĭlears the end-of-file and error indicators for the given stream. These macros are pointers to FILE types which correspond to the standard error, standard input, and standard output streams.įollowing are the functions defined in the header stdio.h − Sr.No.Ĭloses the stream. This macro is the maximum number of unique filenames that the function tmpnam can generate. These macros are used in the fseek function to locate different positions in a file. This macro is an integer, which represents the longest length of a char array suitable for holding the longest possible temporary filename created by the tmpnam function. If the implementation imposes no limit, then this value should be the recommended maximum value. This macro is an integer, which represents the longest length of a char array suitable for holding the longest possible filename. ![]() This macro is an integer, which represents the maximum number of files that the system can guarantee to be opened simultaneously. This macro is a negative integer, which indicates that the end-of-file has been reached. This macro is an integer, which represents the size of the buffer used by the setbuf function. These are the macros which expand to integral constant expressions with distinct values and suitable for the use as third argument to the setvbuf function. This macro is the value of a null pointer constant. This is an object type suitable for storing any position in a file.įollowing are the macros defined in the header stdio.h − Sr.No. This is an object type suitable for storing information for a file stream. This is the unsigned integral type and is the result of the sizeof keyword. Library Variablesįollowing are the variable types defined in the header stdio.h − Sr.No. The stdio.h header defines three variable types, several macros, and various functions for performing input and output.
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