- The C Standard Library
Introduction CmdLine is a C Library for parsing command-line arguments. It is approximately 2750 C source statements. Cmdparse is a command-line interface to CmdLine for Unix shell-scripts. It is approximately 1500 C source statements. The full source code distribution for CmdLine and cmdparse may be found in CmdLine.tar.gz (96KB, gzipped tar file). Jun 16, 2015 Jose, thanks for the article. Easy to understand and informative one, good job man! Recently I studied the question of generating JSON data. There is a point of view that the easiest way is to use FOR JSON AUTO as it will generate the JSON object array where each row in the selection will be a separate object, while a column will be a property.
- C Standard Library Resources
SoftNetStats - file /proc/net/softnetstat ¶. This parser parses the stats from network devices. These stats includes events per cpu(in row), number of packets processed i.e packetprocess (first column), number of packet drops packetdrops (second column), time squeeze i.e netrxaction performed timesqueeze(third column), cpu collision i.e collision occur while obtaining device lock while.
- C Programming Resources
The executables compiled by Dev-C will need MSVCRT.DLL (comes with Windows 95 OSR 2 or higher). License Dev-C is Free Software distributed under the GNU General Public License. Linux - General This Linux forum is for general Linux questions and discussion. If it is Linux Related and doesn't seem to fit in any other forum then this is the place. Welcome to LinuxQuestions.org, a friendly and active Linux Community.
- Selected Reading
Description
The C library function int fscanf(FILE *stream, const char *format, ..) reads formatted input from a stream.
Declaration
Following is the declaration for fscanf() function.
Parameters
- stream − This is the pointer to a FILE object that identifies the stream.
- format − This is the C string that contains one or more of the following items − Whitespace character, Non-whitespace character and Format specifiers. A format specifier will be as [=%[*][width][modifiers]type=], which is explained below −
C Parse Proc Net Devil
Sr.No. | Argument & Description |
---|---|
1 | Auto tune in bessemer ny. * This is an optional starting asterisk indicates that the data is to be read from the stream but ignored, i.e. it is not stored in the corresponding argument. |
2 | width This specifies the maximum number of characters to be read in the current reading operation. |
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4 | type A character specifying the type of data to be read and how it is expected to be read. See next table. |
fscanf type specifiers
type | Qualifying Input | Type of argument |
---|---|---|
c | Single character: Reads the next character. If a width different from 1 is specified, the function reads width characters and stores them in the successive locations of the array passed as argument. No null character is appended at the end. | char * |
d | Decimal integer: Number optionally preceded with a + or - sign | int * |
e, E, f, g, G | Floating point: Decimal number containing a decimal point, optionally preceded by a + or - sign and optionally followed by the e or E character and a decimal number. Two examples of valid entries are -732.103 and 7.12e4 | float * |
o | Octal Integer: | int * |
s | String of characters. This will read subsequent characters until a whitespace is found (whitespace characters are considered to be blank, newline and tab). | char * |
u | Unsigned decimal integer. | unsigned int * |
x, X | Hexadecimal Integer | int * |
- additional arguments − Depending on the format string, the function may expect a sequence of additional arguments, each containing one value to be inserted instead of each %-tag specified in the format parameter (if any). There should be the same number of these arguments as the number of %-tags that expect a value.
Return Value
C Parse Proc Net Dev Download
This function returns the number of input items successfully matched and assigned, which can be fewer than provided for, or even zero in the event of an early matching failure.
Example
The following example shows the usage of fscanf() function.
C Parse Proc Net Development
Let us compile and run the above program that will produce the following result −
stdio_h.htm