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Arguments to main() int main(int argc, char *argv[]) { int i;
printf("argc = %d\n",argc); for (i=0; i<argc; i++) printf("argv[%d] = %s\n",i,argv[i]); return 0; }
![Arguments to main() int main(int argc, char *argv[]) { int i;](http://slideplayer.org/slide/13461874/80/images/1/Arguments+to+main%28%29+int+main%28int+argc%2C+char+%2Aargv%5B%5D%29+%7B+int+i%3B.jpg "printf( argc = %d\n ,argc); for (i=0; i<argc; i++) printf( argv[%d] = %s\n ,i,argv[i]); return 0; }")
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Arguments to main() fox01> ./myprog this is apple argc = 4
argv[0] = ./myprog argv[1] = this argv[2] = is argv[3] = apple
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Fahrenheit to Celcius #include <stdio.h>
#include <stdlib.h> int main(int argc, char *argv[]) { double fahrenheit, celcius; fahrenheit = atof(argv[1]); celcius = (fahrenheit-32)*5.0/9; printf("Celcius = %f\n",celcius); }
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Arguments to main() fox01> ./fahtocelcius 36 Celcius =
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Fahrenheit to Celcius #include <stdio.h>
#include <stdlib.h> int main() { double fahrenheit, celcius; printf("Enter fahrenheit"); scanf("%lf",&fahrenheit); celcius = (fahrenheit-32)*5.0/9; printf("Celcius = %f\n",celcius); }
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Arguments to main() fox01> ./fahtocelcius2 < f.txt
Enter fahrenheitCelcius = f.txt file has the following 34
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