stdlib.h

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     7
#define  PC6      6
#define  PC5      5
#define  PC4      4
#define  PC3      3
#define  PC2      2
#define  PC1      1
#define  PC0      0

#define  DDC7     7
#define  DDC6     6
#define  DDC5     5
#define  DDC4     4
#define  DDC3     3
#define  DDC2     2
#define  DDC1     1
#define  DDC0     0

#define  PINC7    7
#define  PINC6    6
#define  PINC5    5
#define  PINC4    4
#define  PINC3    3
#define  PINC2    2
#define  PINC1    1
#define  PINC0    0

/* Port D bits */
#define  PORTD7   7
#define  PORTD6   6
#define  PORTD5   5
#define  PORTD4   4
#define  PORTD3   3
#define  PORTD2   2
#define  PORTD1   1
#define  PORTD0   0
#define  PD7      7
#define  PD6      6
#define  PD5      5
#define  PD4      4
#define  PD3      3
#define  PD2      2
#define  PD1      1
#define  PD0      0

#define  DDD7     7
#define  DDD6     6
#define  DDD5     5
#define  DDD4     4
#define  DDD3     3
#define  DDD2     2
#define  DDD1     1
#define  DDD0     0

#define  PIND7    7
#define  PIND6    6
#define  PIND5    5
#define  PIND4    4
#define  PIND3    3
#define  PIND2    2
#define  PIND1    1
#define  PIND0    0

/* Port E bits */
#define  PORTE7   7
#define  PORTE6   6
#define  PORTE5   5
#define  PORTE4   4
#define  PORTE3   3
#define  PORTE2   2
#define  PORTE1   1
#define  PORTE0   0
#define  PE7      7
#define  PE6      6
#define  PE5      5
#define  PE4      4
#define  PE3      3
#define  PE2      2
#define  PE1      1
#define  PE0      0

#define