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C stringstrerror()function ❮ string Functions Example Output a variety of error messages: printf("%s\n",strerror(0));printf("%s\n",strerror(1));printf("%s\n",strerror(2));printf("%s\n",strerror(3)); Try it Yourself »
$e = (string) $e; //To verify the type of any object in PHP, use the var_dump() function: var_dump($a); var_dump($b); var_dump($c); var_dump($d); var_dump($e); ?> Note that when casting a Boolean into string it gets the value "1", and when casting ...
printf("%s", myString); rewind(fptr); fgets(myString,100, fptr); printf("%s",myString); fclose(fptr); Definition and Usage Therewind()function moves the position indicator to the beginning of the file. Therewind()function is defined in the<stdio.h>header file. ...
Example // Function to convert Fahrenheit to Celsius floattoCelsius(floatfahrenheit) { return(5.0/9.0) * (fahrenheit -32.0); } intmain() { // Set a fahrenheit value floatf_value =98.8; // Call the function with the fahrenheit value ...
The ctime() function is defined in the <ctime> header file.Note: Use the time() or mktime() functions to create a timestamp.Note: Because the return value is a pointer, the value of the string may be changed by additional calls to asctime() or ctime()....
// Open a file in read modefptr = fopen("filename.txt", "r");// Store the content of the filechar myString[100];// Read the content and store it inside myString fgets(myString, 100, fptr);// Print the file contentprintf("%s", myString);// Close the filefclose(fptr); ...
Theatoll()function is defined in the<stdlib.h>header file. Tip:If the number is not at the beginning of the string you can use a pointer to a different position in the string. SeeMore Examplesbelow for an example. Syntax atoll(constchar*str); ...
The sscanf() function reads data from a char array and writes it into memory locations specified by the arguments.The sscanf() function is defined in the <stdio.h> header file.The format parameter is a string that describes the format of the data that is expected from the file. If the...
C stdio printf() Function❮ C stdio Library ExampleOutput a string:printf("Hello World!"); Try it Yourself » Definition and UsageThe printf() function writes a formatted string to the console.The printf() function is defined in the <stdio.h> header file....