Explain what could possibly be the problem if a valid function name such as tolower() is being reported by the c compiler as undefined?

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What is a union?

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How do you determine the length of a string value that was stored in a variable?

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can u suggest me am in a confusion to choose whether to go to c programming or a software testing . am a graduate in B.sc(electronics).

1 Answers  

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what is the output? #define fun(a,b,t) (g ##t=(a),(a)=(b),(b)=g##t) float gfloat; main() { float a=1.12,b=3.14; fun (a,b,float); printf("na=%4.2f,b=%4.2f",a,b); } A)Error in Defining Macro B)a=1.12,b=3.14 C)a=3.14,b=1.12 D)None of the Above

3 Answers   Accenture, Infosys, Wipro,

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what is C?

9 Answers   Syntel,

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What is typedef?

1 Answers  

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what is void pointer?

1 Answers   Wipro,

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Explain the difference between getch() and getche() in c?

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the question is that what you have been doing all these periods (one year gap)

0 Answers   HCL,

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main() { int i=5; printf("%d",++i + i); } output is 10 ------------------------ main() { int i=5; printf("%d",i++ + i); }output is 12 why it is so? give appropiate reason....

2 Answers  

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Explain what is the stack?

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