Dear readers, these C Programming Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of C Programming. As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and later they continue based on further discussion and what you answer âˆ' What is a pointer on pointer? The decision to buy a $200 car off Craig’s List was a regrettable one, says Drew Appleton, 19, of Delaware. Overjoyed at the prospect of owning his own vehicle and no longer relying on his girlfriend for transportation, Appleton was disappointed when an inoperable raccoon’s nest on rims was deposited in his backyard Sunday night. “Obviously it was going to be a piece of shit,” said Appleton’s girlfriend, Mariah Jones. “The ad literally read: ‘Own your own vehicle and stop being a bum! Drive to your job at Jimmy John’s in style! Only $200 for a four door car with 280,000 miles and half an engine. Very rusty and full of plants. May have animals living in it. WILL PROBABLY DRIVE IF YOU FIX IT AND REPLACE EVERYTHING.'” After slapping Mariah and reminding her not to make him look ignorant on the internet, Appleton admitted he may have used poor judgment leading up to the purchase. “I was just like, ‘Holy shit, you have the money to buy this. You could buy a car right now. You aren’t as poor as you think you are,'” he said, describing his response to the advertisement. “All I was thinking about was pulling up to Jimmy John’s in my car and not being so lame. It was like the ad was designed just for me.” According to Robert Caldwell, the Delaware car dealer who sold Appleton the vehicle, the ad was designed just for him. “Selling shitty cars to uneducated, underachieving young men is a multi-million dollar industry,” Caldwell said. Appleton will later sell the car for $10 and a skate deck. It’s a pointer variable which can hold the address of another pointer variable. It de-refers twice to point to the data held by the designated pointer variable. Eg: int x = 5, *p=&x, **q=&p; Therefore ‘x’ can be accessed by **q. Distinguish between malloc() & calloc() memory allocation. Both allocates memory from heap area/dynamic memory. By default calloc fills the allocated memory with 0’s. What is keyword auto for? By default every local variable of the function is automatic (auto). In the below function both the variables ‘i’ and ‘j’ are automatic variables. void f() { int i; auto int j; } NOTE âˆ' A global variable can’t be an automatic variable. What are the valid places for the keyword break to appear. Break can appear only with in the looping control and switch statement. The purpose of the break is to bring the control out from the said blocks. Explain the syntax for for loop. for(expression-1;expression-2;expression-3) { //set of statements } When control reaches for expression-1 is executed first. Then following expression-2, and if expression-2 evaluates to non-zero ‘set of statements’ and expression-3 is executed, follows expression-2. What is difference between including the header file with-in angular braces < > and double quotes “ “ If a header file is included with in < > then the compiler searches for the particular header file only with in the built in include path. If a header file is included with in “ “, then the compiler searches for the particular header file first in the current working directory, if not found then in the built in include path. How a negative integer is stored. Get the two’s compliment of the same positive integer. Eg: 1011 (-5) Step-1 âˆ' One’s compliment of 5 : 1010 Step-2 âˆ' Add 1 to above, giving 1011, which is -5 What is a static variable? A static local variables retains its value between the function call and the default value is 0. The following function will print 1 2 3 if called thrice. void f() { static int i; ++i; printf(“%d “,i); } If a global variable is static then its visibility is limited to the same source code. What is a NULL pointer? A pointer pointing to nothing is called so. Eg: char *p=NULL; What is the purpose of extern storage specifier? Used to resolve the scope of global symbol. Eg: main() { extern int i; Printf(“%d”,i); } int i = 20; Explain the purpose of the function sprintf(). Prints the formatted output onto the character array. What is the meaning of base address of the array? The starting address of the array is called as the base address of the array. When should we use the register storage specifier? If a variable is used most frequently then it should be declared using register storage specifier, then possibly the compiler gives CPU register for its storage to speed up the look up of the variable. S++ or S = S+1, which can be recommended to increment the value by 1 and why? S++, as it is single machine instruction (INC) internally. P.S. If you have already completed your payment, thank you, and please disregard this email. Did you forget your password? No problem â€" you can reset it. Hopefully your new password is a little more memorable! response as soon as possible. Nous avons bien pris en compte votre inscription à la newsletter de Sciences Humaines, merci Votre inscription sur UMNIA BANK a bien été enregistrée. University of Applied Sciences and Arts been created with Ticket ID 201801108574. Nous sommes très sensibles à l'intérêt que vous portez à notre entreprise, et conservons vos coordonnées afin de vous recontacter au besoin. 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International Admission i.colors.enhance i.colors.enhance --help i.colors.enhance red=name green=name blue=name Flags: -f Extend colors to full range of data on each channel -p Preserve relative colors, adjust brightness only -r Reset to standard color range -s Process bands serially (default: run in parallel) --help Print usage summary --verbose Verbose module output --quiet Quiet module output --ui Force launching GUI dialog Parameters: red=name Name of red channel green=name Name of green channel blue=name Name of blue channel strength=float Cropping intensity (upper brightness level) Options: 0-100 Default: 98 Table of contents DESCRIPTION i.colors.enhance auto-balances and enhances the color channels of a RGB image (e.g. from Landsat) to provide a more natural color mixture. Only the color table of each image band is modified, the base data remains untouched. The module works by calculating a histogram for each color channel and removing an adjustable amount of outliers from either end before recalibrating the color scale with r.colors. It will work with any 8-bit RGB imagery set and the script is easily modified to work with other datasets of greater band-depth. NOTES Depending on the image, it may or may not be advantageous to use the -p flag to preserve the relative color scaling. You will have to experiment with the different options to find a setting that works best for your particular imagery. The strength option should generally be set in the 90-99 range. The lower the number, the more saturated the image becomes. It represents the percentage cut-off for the top end of the color histogram curve. The lower end is fixed at 2% of the area under the curve. For quicker execution of this module on large images you can achieve largely similar results by switching to a coarser resolution before the running of the module (using g.region) and then back to the original resolution afterwards. EXAMPLE North Carolina sample dataset example with Landsat data: g.region raster=lsat7_2002_10 -p d.rgb blue=lsat7_2002_10 green=lsat7_2002_20 red=lsat7_2002_30 d.barscale at=55.3125,93.125 bcolor=white text_pos=over i.colors.enhance blue=lsat7_2002_10 green=lsat7_2002_20 red=lsat7_2002_30 strength=95 d.rgb blue=lsat7_2002_10 green=lsat7_2002_20 red=lsat7_2002_30 d.barscale at=55.3125,93.125 bcolor=white text_pos=over National Rifle Association CEO Wayne LaPierre went on the offensive today, pushing back against local law enforcement and questioning the motives of Florida sheriff deputies who failed to enter the Parkland high school where mass shooter Nikolas Cruz killed seventeen people last week. “This whole hero with a gun theory is based on people stepping up and doing the right thing,” La Pierre said at a news briefing. “Here you had some guys taking the Blue Lives Matter movement a little too far. It’s meant to be applied posthumously, after they do something heroic and we get to pose in front of their caskets and raise a bunch of money. Not this time. Now our second amendment rights are at stake and I have all these little ghosts following me around.” The association continued its attack via social media later in the afternoon, tweeting that people should be taking a harder look at the failures of the FBI and local law enforcement.