I\'m trying to convert 64bit integer string to in开发者_JAVA技巧teger, but I don\'t know which one to use.Use strtoull if you have it or _strtoui64() with visual studio.
well, i\'ve struggeling with this problem for hours. but for some reasons i can\'t find the damn mitstake. I really hope that u can finally help me.
Out of professional curiosity, what is the safest / fastest / most efficient way to compare two fully numeric strings in C?
What exactly does the below statement do? const char *string *开发者_StackOverflow中文版string - \'0\'
When using this code, it throws an unhandled writing exception, which I\'m almost certain is to do with the atoi() function.
Is there a c atoi() equivalent for wide chars on Linu开发者_C百科x? I can find something for MS (wtoi) but I can find anything in a standard Linux lib.You can use wcstol to convert from wide strings t
Is there a function similar to atoi wh开发者_运维问答ich converts a string to float instead of to integer?atof()
When using atoi in C I am trying to convert a char array of numbers to an int. I have leading 0\'s on my number though and they are not preserved when I print the number out later.
So as we all probably know, the atoi converts a char to a number. But, what do you do if you only want one of the array elements instead of the whole array?
If there are non-number characters in a string and you call atoi [I\'m assuming wtoi will do the same]. How will atoi treat the string?
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